US3285218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor
Assignee: Individual
•
Filing: 1965-04-13
•
Granted: 1966-11-15
•
Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Marvin L Gilbertson
- 👤 George R Maidl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:57
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/24; B63B21/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A BOAT ANCHOR COMPRISING: (A) A CYLINDRICAL SHANK ONE END HAVING MEANS FOR SECURING A BOAT THERETO AND THE OTHER END THREADED WITH A LOCKING MEMBER THREADEDLY RECEIVED THEREON; (B) A PLURALITY OF ARMS HAVING MATCHING GROOVES SUBSTANTIALLY CENTRALLY LOCATED FOR FITTING SAID ARMS TOGETHER WITH THE ENDS RADIATING FROM A CENTRAL AXIS SUBSTANTIALLY PERPENDICULAR TO SAID ARMS; AND (C) OPENINGS IN SAID SHANK ADJACENT THE THREADED END APPROXIMATELY EQUALLY SPACED RADIALLY ABOUT THE CIRCUMFERENCE FOR RECEIVING SAID ARMS THERETHROUGH IN THE FITTED TOGETHER POSITION SAID LOCKING MEMBER MAINTAINING SAID ARMS IN SAID OPENINGS WHEN THREADED ON SAID OTHER END THE RADIALLY PROTRUDING ENDS OF SAID ARMS FORMING EARTH ENGAGING FINGERS.
Claim 2
Dependent Claim
111 words
A BOAT ANCHOR COMPRISING: (A) A CYLINDRICAL SHANK ONE END HAVING MEANS FOR SECURING A BOAT THERETO AND THE OTHER END THREADED WITH A LOCKING MEMBER THREADEDLY RECEIVED THEREON; (B) A PLURALITY OF ARMS HAVING MATCHING GROOVES SUBSTANTIALLY CENTRALLY LOCATED FOR FITTING SAID ARMS TOGETHER WITH THE ENDS RADIATING FROM A CENTRAL AXIS SUBSTANTIALLY PERPENDICULAR TO SAID ARMS; AND (C) OPENINGS IN SAID SHANK ADJACENT THE THREADED END APPROXIMATELY EQUALLY SPACED RADIALLY ABOUT THE CIRCUMFERENCE FOR RECEIVING SAID ARMS THERETHROUGH IN THE FITTED TOGETHER POSITION SAID LOCKING MEMBER MAINTAINING SAID ARMS IN SAID OPENINGS WHEN THREADED ON SAID OTHER END THE RADIALLY PROTRUDING ENDS OF SAID ARMS FORMING EARTH ENGAGING FINGERS.
References Cited (Backward Citations)
US1978844A
Cited
US2722190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |