US3153797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat paddle
Assignee: Individual
•
Filing: 1963-05-23
•
Granted: 1964-10-27
•
Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph B Drennen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:46
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
FOR USE IN FLEXIBLY CONNECTING THE UPPER AND LOWER PARTS OF A TWO-PART BOAT PADDLE BLADE, A CONNECTOR MEMBER COMPRISING (A) A DOUBLE CHANNEL SHAPED INTEGRALLY FORMED RUBBER MEMBER HAVING A COMMON BASE AND OPPOSED EXTENDING LEG PORTIONS, (B) SAID LEG PORTIONS BEING SPACED FROM EACH OTHER SNUGLY TO RECEIVE THE ADJACENT ENDS OF SAID UPPER AND LOWER BLADE PARTS, (C) SAID COMMON BASE PORTION CONTAINING A VOLUME OF RUBBER SUFFICIENT TO ALLOW RESILIENT PIVOTAL MOVEMENT BETWEEN SAID UPPER AND LOWER BLADE PARTS, AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |