US4383492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furling sail with protective panels
Assignee: Individual
•
Filing: 1981-01-23
•
Granted: 1983-05-17
•
Expires: 2001-01-23
Abstract
Abstract A triangular sail is provided with vertical seams and panels at the leech and foot to protect the sail upon furling around the luff, the foot panel also serving to impart shape to the sail.
Inventors
- 👤 Gerald W. Harris
- 👤 John K. Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:37
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/08; B63H9/10; B63H9/1021; B63H9/1028
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
143 words
A furling sail having a luff, leech and foot, wherein the sail is wrapped around the luff in order to furl the sail, said furling sail comprising a plurality of elongate upright panels running between the luff and the foot of the sail, said upright panels being substantially parallel to the leech and being connected along their adjacent edges to define substantially vertical seams and including an upright panel at the leech, and a substantially horizontal and continuous foot panel extending along the foot of the sail and being connected to said upright panels, the foot panel and the upright panel at the leech each comprising at least one panel of weather protective material that together substantially cover the sail when furled about the luff thereof, whereby to cover and protect the body of the sail and the seams between said upright panels.
Claim 2
Dependent Claim
143 words
A furling sail having a luff, leech and foot, wherein the sail is wrapped around the luff in order to furl the sail, said furling sail comprising a plurality of elongate upright panels running between the luff and the foot of the sail, said upright panels being substantially parallel to the leech and being connected along their adjacent edges to define substantially vertical seams and including an upright panel at the leech, and a substantially horizontal and continuous foot panel extending along the foot of the sail and being connected to said upright panels, the foot panel and the upright panel at the leech each comprising at least one panel of weather protective material that together substantially cover the sail when furled about the luff thereof, whereby to cover and protect the body of the sail and the seams between said upright panels.
Claim 3
Dependent Claim
13 words
The sail of claim 1 wherein the foot panel has a curved configuration.
Claim 4
Dependent Claim
19 words
The sail of claim 1 wherein all of the panels of said sail are constructed from single ply material.
Claim 5
Dependent Claim
134 words
A furling sail having a luff, leech and foot, wherein the sail is wrapped around the luff in order to furl the sail, said furling sail comprising a major said body extending from said luff toward said foot and leech, a foot panel extending along the foot of said sail and being joined to the body thereof, said foot panel being made of a single ply of protective material, and a leech panel extending along the leech of said sail and being joined to the body thereof, said leech panel being made of a single ply of protective material, said foot and leech panels providing an integral and structural part of the sail, said foot panel and said leech panel together substantially covering and serving to protect the body of said sail when furled.
Claim 6
Dependent Claim
134 words
A furling sail having a luff, leech and foot, wherein the sail is wrapped around the luff in order to furl the sail, said furling sail comprising a major said body extending from said luff toward said foot and leech, a foot panel extending along the foot of said sail and being joined to the body thereof, said foot panel being made of a single ply of protective material, and a leech panel extending along the leech of said sail and being joined to the body thereof, said leech panel being made of a single ply of protective material, said foot and leech panels providing an integral and structural part of the sail, said foot panel and said leech panel together substantially covering and serving to protect the body of said sail when furled.
Claim 7
Dependent Claim
16 words
The sail of claim 4 wherein the body comprises a plurality of upright elongate joined panels.
Claim 8
Dependent Claim
16 words
The sail of claim 4 wherein the body comprises a plurality of horizontally elongate joined panels.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-05-16 | 1986-11-15 | 1987-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-16 | 1990-11-15 | 1991-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-16 | 1994-11-15 | 1995-05-17 | $7700.00 | Window Closed / Lapsed |