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Class Information
Number: 114/66
Name: Ships > Building > Observation boats
Description: Boats having glass bottoms or windows for the purpose of viewing marine life and scenery.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7007628 |
Watercraft and viewing system kit |
Mar. 7, 2006 |
| 6941883 |
Submerged underwater observation booth |
Sep. 13, 2005 |
| 6805064 |
Personal water craft |
Oct. 19, 2004 |
| 6672233 |
Floating body |
Jan. 6, 2004 |
| 6612251 |
Mobile undersea habitat |
Sep. 2, 2003 |
| 6572424 |
Personal swim craft with an underwater viewing area |
Jun. 3, 2003 |
| 6302043 |
Discovery boat |
Oct. 16, 2001 |
| 6241569 |
Sea windows for rafts |
Jun. 5, 2001 |
| 6076479 |
Device to observe the sea bed from the deck of a vessel |
Jun. 20, 2000 |
| 5988088 |
Underwater sightseeing craft |
Nov. 23, 1999 |
| 5954558 |
Underwater viewing device |
Sep. 21, 1999 |
| 5595133 |
Underwater viewing surface watercraft |
Jan. 21, 1997 |
| 5476055 |
Watercraft with underwater viewing port |
Dec. 19, 1995 |
| 5447459 |
Underwater viewing board |
Sep. 5, 1995 |
| 5337692 |
Transparent bottom boat |
Aug. 16, 1994 |
| 5315952 |
Method of making and apparatus of a view window |
May. 31, 1994 |
| 5265549 |
Hydro-propelled ship |
Nov. 30, 1993 |
| 5143009 |
Underwater vehicle with a passive optical observation system |
Sep. 1, 1992 |
| 5117774 |
Underwater viewing craft |
Jun. 2, 1992 |
| 5067427 |
Semi-submerged water vehicle |
Nov. 26, 1991 |
| 5010835 |
Semi-submerged glass boat |
Apr. 30, 1991 |
| 5000106 |
Transparent boat |
Mar. 19, 1991 |
| 4973279 |
Appliance for assisting a swimmer swim, float and/or being towed behind a boat |
Nov. 27, 1990 |
| 4946412 |
Swimming aid |
Aug. 7, 1990 |
| 4928614 |
Submersible observation vessel |
May. 29, 1990 |
| 4925417 |
Underwater viewing paddle board |
May. 15, 1990 |
| 4895539 |
Underwater viewing device |
Jan. 23, 1990 |
| 4854256 |
Aquatic show boat |
Aug. 8, 1989 |
| 4852508 |
Underwater window for vessels |
Aug. 1, 1989 |
| 4844595 |
Viewing device for flotation body |
Jul. 4, 1989 |
| 4841899 |
Kayak, folding |
Jun. 27, 1989 |
| 4840458 |
Fixed shutter construction for a split-sphere observatory dome |
Jun. 20, 1989 |
| 4840592 |
Power driven underwater viewing platform |
Jun. 20, 1989 |
| 4809630 |
View port for an underwater vehicle |
Mar. 7, 1989 |
| 4787870 |
Propeller clearing means |
Nov. 29, 1988 |
| 4724785 |
Frame support for connecting two float members |
Feb. 16, 1988 |
| 4715837 |
Underwater viewing device |
Dec. 29, 1987 |
| 4691658 |
Aquatic sport device |
Sep. 8, 1987 |
| 4565145 |
Marine observatory craft |
Jan. 21, 1986 |
| 4553494 |
Aquatic camera |
Nov. 19, 1985 |
| 4548148 |
Glass bottom boat |
Oct. 22, 1985 |
| 4494472 |
Floating and nonsubmersible nautical craft |
Jan. 22, 1985 |
| 4465468 |
Underwater viewing device |
Aug. 14, 1984 |
| 4423695 |
Floatable and unsinkable nautical craft |
Jan. 3, 1984 |
| 4420914 |
Spherical segment edge attachment |
Dec. 20, 1983 |
| 4276851 |
Underwater cruise device |
Jul. 7, 1981 |
| 4228751 |
Underwater viewing apparatus |
Oct. 21, 1980 |
| 4186532 |
Underwater observatory |
Feb. 5, 1980 |
| 4154416 |
Search and rescue kit |
May. 15, 1979 |
| 4145783 |
Water window |
Mar. 27, 1979 |
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