Class Information
Number: 114/39.21
Name: Ships > Watercraft with means used in providing sailpower
Description: Subject matter wherein (a) the marine vehicle includes a portion which furnishes buoyancy when in contact with the water and to which the main supporting surfaces and other parts are attached, i.e., hull, and (b) the hull which is propelled by the wind being in combination with either (1) an extent of material by which wind is used to propel the marine vehicle through the water, i.e., sail, (2) mast, (3) spar, or (4) rigging.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4860680 |
Sailboat with leeway reducing keel |
Aug. 29, 1989 |
| 4788923 |
Sailing craft |
Dec. 6, 1988 |
| 4781137 |
Boom-footed sail efficiency enhancement system |
Nov. 1, 1988 |
| 4692124 |
Sail raft - convertible inflatable life raft |
Sep. 8, 1987 |
| 4664050 |
Boom-footed sail efficiency enhancement system |
May. 12, 1987 |
| 4563967 |
Sport sailboat steering and balancing arrangement |
Jan. 14, 1986 |
| 4501217 |
Spinnaker pole control |
Feb. 26, 1985 |
| 4492175 |
Sail boom tent |
Jan. 8, 1985 |
| 4469040 |
Sailboat wing spar structure |
Sep. 4, 1984 |
| 4461231 |
Sailing craft |
Jul. 24, 1984 |
| 4376416 |
Convertible sailboat/motorboat |
Mar. 15, 1983 |
| 4345534 |
Sail rigging system |
Aug. 24, 1982 |
| 4292910 |
Spinnaker post for sailing vessel |
Oct. 6, 1981 |
| 4217845 |
Trailerable water ballasted sailboat |
Aug. 19, 1980 |
| 4078511 |
Self-steering apparatus for sailboats |
Mar. 14, 1978 |
| 4068611 |
Boat conversion device |
Jan. 17, 1978 |
| 3990384 |
Hull with righting moment producing fins |
Nov. 9, 1976 |
| 3987982 |
Wind-powered flying boat |
Oct. 26, 1976 |
| 3956785 |
Multipurpose boat, steering and maneuvering device therefor, and cleat device |
May. 18, 1976 |
| 3948197 |
Sailboat hull configuration |
Apr. 6, 1976 |
| 3931779 |
Sailing boat |
Jan. 13, 1976 |
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