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Class Information
Number: 56/12.7
Name: Harvesters > Motorized harvester > Including cutter yieldably mounted on its drive means
Description: Machine provided with a cutting blade that is supported on a driving shaft by a resilient or pivotal connection.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4245454 |
Line metering apparatus |
Jan. 20, 1981 |
| 4244103 |
Mower of the centrifugal cord type with automatic payout of cutting cord |
Jan. 13, 1981 |
| 4242797 |
Rotary nylon line vegetation cutter |
Jan. 6, 1981 |
| 4238866 |
Rain gutter cleaning device |
Dec. 16, 1980 |
| 4237610 |
Portable, electrically energized, cordless grass trimmer |
Dec. 9, 1980 |
| 4236311 |
Vegetation cutting apparatus |
Dec. 2, 1980 |
| 4236312 |
Apparatus for cutting vegetation |
Dec. 2, 1980 |
| 4236309 |
Flexible line trimmer with line feeding apparatus |
Dec. 2, 1980 |
| 4235068 |
Filament mower |
Nov. 25, 1980 |
| 4232505 |
Dual element filament mower |
Nov. 11, 1980 |
| 4229882 |
Cutter head and cutters for a vegetation cutting tool |
Oct. 28, 1980 |
| 4226021 |
Shaft assembly for lawn trimmer |
Oct. 7, 1980 |
| 4224784 |
Attachment for line trimmer |
Sep. 30, 1980 |
| 4223440 |
Cord-type mowing machine |
Sep. 23, 1980 |
| 4215526 |
Mowing machine |
Aug. 5, 1980 |
| 4211004 |
String-type weed cutter with mechanical line feed |
Jul. 8, 1980 |
| 4211060 |
Mowing rotor |
Jul. 8, 1980 |
| 4211005 |
Apparatus for cutting vegetation |
Jul. 8, 1980 |
| 4209902 |
Apparatus for cutting vegetation |
Jul. 1, 1980 |
| 4205439 |
Grass cutting machine |
Jun. 3, 1980 |
| 4203212 |
Flail feedout mechanism for a rotary mower |
May. 20, 1980 |
| 4202094 |
Rotary machine attachment |
May. 13, 1980 |
| 4201034 |
Attachment for drive shaft of rotary lawn mowers |
May. 6, 1980 |
| 4200978 |
Shield for grass trimmer |
May. 6, 1980 |
| 4195408 |
Convertible, automatic to manual, nylon line vegetation cutter |
Apr. 1, 1980 |
| 4194287 |
Nylon line vegetation cutter feed |
Mar. 25, 1980 |
| 4193190 |
Filament trimmer cutting head improvement |
Mar. 18, 1980 |
| 4190954 |
Cutting heads |
Mar. 4, 1980 |
| 4189833 |
Apparatus for cutting vegetation |
Feb. 26, 1980 |
| 4189905 |
Attachment for drive shaft of rotary lawn mowers |
Feb. 26, 1980 |
| 4189830 |
Self-threading filament trimmer system |
Feb. 26, 1980 |
| 4189901 |
Flail shredder |
Feb. 26, 1980 |
| 4188719 |
Lawn trimmer chain saw attachment |
Feb. 19, 1980 |
| 4187598 |
Filament wound perforate plate system |
Feb. 12, 1980 |
| 4185380 |
Flexible line rotary vegetation cutter having a tension regulated line feed |
Jan. 29, 1980 |
| 4185381 |
Rotary nylon line vegetation cutter |
Jan. 29, 1980 |
| 4186239 |
Monofilament weed cutters |
Jan. 29, 1980 |
| 4183138 |
Apparatus for cutting vegetation |
Jan. 15, 1980 |
| 4182100 |
Lawn mower and edger carriage |
Jan. 8, 1980 |
| 4179805 |
Portable power operated tool |
Dec. 25, 1979 |
| 4177561 |
Rotary cutting assembly |
Dec. 11, 1979 |
| 4176508 |
Line feed mechanism for filament mower |
Dec. 4, 1979 |
| 4175367 |
Device for fixing the knives of rotary mowers |
Nov. 27, 1979 |
| 4172322 |
Rotary cutting assembly |
Oct. 30, 1979 |
| 4170099 |
Power mower edger and trimmer attachment |
Oct. 9, 1979 |
| D253086 |
Vegetation trimmer |
Oct. 9, 1979 |
| 4169311 |
Vegetation cutting apparatus |
Oct. 2, 1979 |
| 4168572 |
Apparatus for cutting vegetation |
Sep. 25, 1979 |
| 4167812 |
Apparatus for cutting vegetation |
Sep. 18, 1979 |
| 4161820 |
Apparatus for cutting vegetation |
Jul. 24, 1979 |
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