Patent US3137873A successfully refreshed from Google Patents.
US3137873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible surfboard
Assignee: —
•
Filing: —
•
Granted: 1964-06-23
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Expires: 1981-06-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:55
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/50; B63B32/53
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
AN ELONGATED COLLAPSIBLE SURFBOARD COMPRISING: SEPARABLE FRONT AND REAR BODY PORTIONS ADAPTED TO BE ARRANGED IN AN ASSEMBLED CONDITION, SAID PORTIONS HAVING ENDS ADAPTED TO MATE FLUSH WITH ONE ANOTHER WHEN SAID PORTIONS ARE SO ARRANGED; MEANS ON SAID FRONT BODY PORTION FORMING A PAIR OF LATERALLY SPACED AND LONGITUDINALLY EXTENDING, PARALLEL BORES, SAID BORES OPENING ONLY TO THE MATING END OF SAID FRONT PORTION; MEANS IN SAID REAR BODY PORTION FORMING A PAIR OF LATERALLY SPACED AND LONGITUDINALLY EXTENDING, PARALLEL BORES, SAID LAST MENTIONED BORES OPENING ONLY TO THE MATING END OF SAID REAR PORTION AND BEING AXIALLY ALIGNED WITH RESPECTIVE ONES OF THE BORES IN SAID FRONT PORTION WHEN SAID PORTIONS ARE SO ARRANGED; A PAIR OF SHAFTS SLIDABLY RECEIVABLE IN A CLOSE FIT IN THE ALIGNED BORES IN SAID FRONT AND REAR PORTIONS, EACH OF SAID
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |