US3147729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sail
Assignee: Individual
•
Filing: 1962-03-21
•
Granted: 1964-09-08
•
Expires: 1982-03-21
Abstract
No abstract record available.
Inventors
- 👤 Boston Safe Deposit An Company
- 👤 Bruce E Barnard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:10
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A SAIL HAVING THREE MARGINAL EDGES INCLUDING A LUFF EDGE, FLAP MEANS EXTENDING ALONG SUBSTANTIALLY THE FULL LENGTH OF SAID LUFF EDGE FOLDABLE AROUND THE FOREMOST STAY OF A SAILBOAT, AND CONTINUOUS, SEPARABLE AND INTERENGAGEABLE FASTENING MEANS READILY DETACHABLY SECURING SAID FLAP MEANS FOLDED UPON ITSELF TO FORM A CONTINUOUS CLOSURE AROUND THE STAY TO SECURE THE SAIL AND TO SAID STAY TO ENABLE THE SAIL TO BE HOISTED AND SWING FREELY ON SAID STAY AND TO BE EASILY REMOVED THEREFROM AFTER USE AND TO PROVIDE AN UNINTERRUPTED SURFACE EXTENDING FROM THE LEADING EDGE OF THE FOLDED FLAP ACROSS THE SURFACE OF THE SAIL.
Claim 2
Dependent Claim
104 words
A SAIL HAVING THREE MARGINAL EDGES INCLUDING A LUFF EDGE, FLAP MEANS EXTENDING ALONG SUBSTANTIALLY THE FULL LENGTH OF SAID LUFF EDGE FOLDABLE AROUND THE FOREMOST STAY OF A SAILBOAT, AND CONTINUOUS, SEPARABLE AND INTERENGAGEABLE FASTENING MEANS READILY DETACHABLY SECURING SAID FLAP MEANS FOLDED UPON ITSELF TO FORM A CONTINUOUS CLOSURE AROUND THE STAY TO SECURE THE SAIL AND TO SAID STAY TO ENABLE THE SAIL TO BE HOISTED AND SWING FREELY ON SAID STAY AND TO BE EASILY REMOVED THEREFROM AFTER USE AND TO PROVIDE AN UNINTERRUPTED SURFACE EXTENDING FROM THE LEADING EDGE OF THE FOLDED FLAP ACROSS THE SURFACE OF THE SAIL.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |