US3280780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for effecting a rolling reef
Assignee: Individual
•
Filing: 1965-03-26
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Granted: 1966-10-25
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Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 Sven O Aulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:15
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/08; B63H9/10; B63H9/1021; B63H9/1042
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
IN A SAILING VESSEL PROVIDED WITH THE USUAL MAST AND BOOM FOR THE SUPPORT OF A SAIL AND ITS INCLUDED BOLTROPE, THE METHOD OF VARYING THE SAIL AREA ON REEFING WHILE MAINTAINING THE OPTIMUM SAIL CONFIGURATION IN TERMS OF THE EXTENT OF THE BUNT THEREOF WHICH COMPRISES: ROLLING THE FOOT OF THE SAIL ABOUT THE BOOM, AND CORRESPONDINGLY LENGTHENING THE BOOM AS THE SAID IS ROLLED THEREUPON SO AS TO DISPLACE THE PORTION OF THE SAIL ROLLED ON THE BOOM IN A DIRECTION AWAY FROM THE MAST.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |