US3310018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triangularly-shaped sail launching and retracting means
Assignee: W C ROBERTS JR
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Filing: 1966-10-06
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Granted: 1967-03-21
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Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Roberts
- 👤 Walter B Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:11
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/08; B63H9/10; B63H9/1092; B63B; B63B21/00; B63B21/04; B63B21/10; B63H9/1071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
IN A BOAT OF THE TYPE ADAPTED TO USE A SPINNAKER SAIL OF GENERALLY TRIANGULAR CONFIGURATION AND HAVING THREE SAIL CORNERS HAVING AN ATTACHMENT MEANS FOR A LINE TO EXTEND FROM EACH CORNER, A SPINNAKER STORAGE COMPARTMENT MEANS COMPRISING: A DIFFUSER SECTION HAVING AN ENLARGED OPEN FUNNEL MOUTH FACING UPWARDLY AND SMOOTHLY ACCESSIBLE THROUGH AN OPENING IN THE DECK AND EXTENDING DEPTHWISE AND REARWARDLY IN A SMOOTH, CONTINUOUS CURVE, AND A MAIN BODY SECTION, SAID SECTIONS MERGING AND BLENDING, AND SAID BODY SECTION TERMINATING IN A GENERALLY STERNWISE FACING OPENING, AND A SAIL RETRACT LINE TO CONNECT TO THE CENTRAL AREA OF SAID SPINNAKER TO EXTEND THROUGH THE STORAGE COMPARTMENT AND OPENING AND TO THE REAR OF THE BALL SO THAT THE SAIL MAY BE RETRACTED BY PULLING THE SAID SAIL RETRACT LINE AND DRAWING THE CENTRAL ZONE OF THE SAIL AS THE LEADING PORTION INTO A NESTED POSITION ADJACENT THE OPENING WITH THE SAIL EXTENDING TOWARD THE MOUTH, THE CENTER LINE OF THE SAID STORAGE COMPARTMENT FROM A PLANE ACROSS THE MOUTH AND A PLANE ACROSS THE OPENING OF THE BODY SECTION BEING OF A LENGTH AT LEAST SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN THE CENTER OF THE CENTRAL ZONE OF THE SPINNAKER AND THE MARGIN AT THE CORNERS OF THE SAIL SO THE SAIL IS ADAPTED TO BE HOUSED IN
Claim 2
Dependent Claim
222 words
IN A BOAT OF THE TYPE ADAPTED TO USE A SPINNAKER SAIL OF GENERALLY TRIANGULAR CONFIGURATION AND HAVING THREE SAIL CORNERS HAVING AN ATTACHMENT MEANS FOR A LINE TO EXTEND FROM EACH CORNER, A SPINNAKER STORAGE COMPARTMENT MEANS COMPRISING: A DIFFUSER SECTION HAVING AN ENLARGED OPEN FUNNEL MOUTH FACING UPWARDLY AND SMOOTHLY ACCESSIBLE THROUGH AN OPENING IN THE DECK AND EXTENDING DEPTHWISE AND REARWARDLY IN A SMOOTH, CONTINUOUS CURVE, AND A MAIN BODY SECTION, SAID SECTIONS MERGING AND BLENDING, AND SAID BODY SECTION TERMINATING IN A GENERALLY STERNWISE FACING OPENING, AND A SAIL RETRACT LINE TO CONNECT TO THE CENTRAL AREA OF SAID SPINNAKER TO EXTEND THROUGH THE STORAGE COMPARTMENT AND OPENING AND TO THE REAR OF THE BALL SO THAT THE SAIL MAY BE RETRACTED BY PULLING THE SAID SAIL RETRACT LINE AND DRAWING THE CENTRAL ZONE OF THE SAIL AS THE LEADING PORTION INTO A NESTED POSITION ADJACENT THE OPENING WITH THE SAIL EXTENDING TOWARD THE MOUTH, THE CENTER LINE OF THE SAID STORAGE COMPARTMENT FROM A PLANE ACROSS THE MOUTH AND A PLANE ACROSS THE OPENING OF THE BODY SECTION BEING OF A LENGTH AT LEAST SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN THE CENTER OF THE CENTRAL ZONE OF THE SPINNAKER AND THE MARGIN AT THE CORNERS OF THE SAIL SO THE SAIL IS ADAPTED TO BE HOUSED IN
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |