US3359936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrofoil
Assignee: Wilson Shipyard Inc
•
Filing: 1966-06-23
•
Granted: 1967-12-26
•
Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Kock Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:56
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/24; B63B1/248
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A HYDROFOIL STRUCTURE COMPRISING FIRST AND SECOND SHAPED MEMBERS; SAID FIRST SHAPED MEMBER HAVING FIRST, SECOND, THIRD AND FOURTH SURFACES, SAID FIRST SURFACE BEING CURVED SO THAT ONE END THEREOF MEETS ONE DND OF SAID SECOND SURFACE TO FORM AN EDGE, SAID THIRD SURFACE JOINING THE OTHER ENDS OF SAID FIRST AND SECOND SURFACES ALONG A PORTION OF THE LENGTH THEREOF, SAID FOURTH SURFACE JOINING THE OTHER ENDS OF SAID FIRST AND SECOND SURFACES ALONG THE REMAINDER OF THE LENGTH THEREOF, SAID FOURTH SURFACE RUNNING AT AN ANGLE FROM SAID THIRD SURFACE TOWARD SAID EDGE: SAID SECOND SHAPED MEMBER HAVING FIRST, SECOND, THIRD AND FOURTH SURFACES, SAID FIRST SURFACE BEING CURVED SO THAT ONE END THEREOF MEETS ONE END OF SAID SECOND SURFACE TO FORM AN EDGE, SAID THIRD SURFACE JOINING THE OTHER ENDS OF SAID FIRST AND SECOND SURFACES ALONG A PORTION OF THE LENGTH THEREOF, SAID FOURTH SUR-
Claim 2
Dependent Claim
150 words
A HYDROFOIL STRUCTURE COMPRISING FIRST AND SECOND SHAPED MEMBERS; SAID FIRST SHAPED MEMBER HAVING FIRST, SECOND, THIRD AND FOURTH SURFACES, SAID FIRST SURFACE BEING CURVED SO THAT ONE END THEREOF MEETS ONE DND OF SAID SECOND SURFACE TO FORM AN EDGE, SAID THIRD SURFACE JOINING THE OTHER ENDS OF SAID FIRST AND SECOND SURFACES ALONG A PORTION OF THE LENGTH THEREOF, SAID FOURTH SURFACE JOINING THE OTHER ENDS OF SAID FIRST AND SECOND SURFACES ALONG THE REMAINDER OF THE LENGTH THEREOF, SAID FOURTH SURFACE RUNNING AT AN ANGLE FROM SAID THIRD SURFACE TOWARD SAID EDGE: SAID SECOND SHAPED MEMBER HAVING FIRST, SECOND, THIRD AND FOURTH SURFACES, SAID FIRST SURFACE BEING CURVED SO THAT ONE END THEREOF MEETS ONE END OF SAID SECOND SURFACE TO FORM AN EDGE, SAID THIRD SURFACE JOINING THE OTHER ENDS OF SAID FIRST AND SECOND SURFACES ALONG A PORTION OF THE LENGTH THEREOF, SAID FOURTH SUR-
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |