US3356059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerodynamic sail construction
Assignee: Individual
•
Filing: 1966-11-18
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Granted: 1967-12-05
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Expires: 1986-11-18
Abstract
No abstract record available.
Inventors
- 👤 Wallace C Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:47
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B63H9/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN IMPROVED AERODYNAMICALLY SHAPED SPINNAKER COMPRISING: AN UPPER PORTION OF SUBSTANTIALLY COMPOUND CURVATURE CONSISTING OF A PLURALITY OF VERTICALLY DISPOSED GORES OF SAILCLOTH TAPERED WITH INCREASING WIDTH FROM A MINIMUM AT THE HEAD TO A MAXIMUM TOWARD THE FOOT, SAID GORES BEING SHAPED WITH A ARCUATE VERTICAL EDGES TO PRODUCE IN COMBINATION SUBSTANTIALLY SPHERICAL COMPOUND CURVATURE AND CONNECTED ALONG SUBSTANTIALLY VERTICAL SEAMS WHEREBY STRESSES ARE TRANSMITTED ALONG THE WRAP OR WEFT OF THE SAILCLOTH; A LOWER PORTION OF SUBSTANTIALLY SIMPLE HORIZONTAL CURVATURE CONSISTING OF A PLURALITY OF HORIZONTAL PANELS OF SAILCLOTH CONNECTED ALONG SUBSTANTIALLY HORIZONTAL SEAMS; AND A SEAM JOINING THE TWO PORTIONS SO THAT CONTINUITY OF
Claim 2
Dependent Claim
107 words
AN IMPROVED AERODYNAMICALLY SHAPED SPINNAKER COMPRISING: AN UPPER PORTION OF SUBSTANTIALLY COMPOUND CURVATURE CONSISTING OF A PLURALITY OF VERTICALLY DISPOSED GORES OF SAILCLOTH TAPERED WITH INCREASING WIDTH FROM A MINIMUM AT THE HEAD TO A MAXIMUM TOWARD THE FOOT, SAID GORES BEING SHAPED WITH A ARCUATE VERTICAL EDGES TO PRODUCE IN COMBINATION SUBSTANTIALLY SPHERICAL COMPOUND CURVATURE AND CONNECTED ALONG SUBSTANTIALLY VERTICAL SEAMS WHEREBY STRESSES ARE TRANSMITTED ALONG THE WRAP OR WEFT OF THE SAILCLOTH; A LOWER PORTION OF SUBSTANTIALLY SIMPLE HORIZONTAL CURVATURE CONSISTING OF A PLURALITY OF HORIZONTAL PANELS OF SAILCLOTH CONNECTED ALONG SUBSTANTIALLY HORIZONTAL SEAMS; AND A SEAM JOINING THE TWO PORTIONS SO THAT CONTINUITY OF
References Cited (Backward Citations)
US2544770A
Cited
US2909142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |