US3123841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping folding boats
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:20
CPC Classifications
B; B63; B63B; B63B7/00; B63B7/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
153 words
A TELESCOPIC FOLDING BOAT COMPRISING A HULL OF RIGID MATERIAL HAVING A CONTINUOUS OUTER SURFACE AND CONSISTING OF A BOW SECTION FORMED WITH A CONVERGING CLOSED END AND AN OPEN MALE END, A STERN SECTION FORMED WITH A CONVERGING CLOSED END AND AT LEAST ONE INTERMEDIATE SHELL SECTION HAVING OPEN ENDS AND AN OPEN TOP PORTION ADAPTED TO RECEIVE THE OPEN ENDS OF SAID BOW SECTION AND SAID STERN SECTION RESPECTIVELY, IN OVERLAPPING RELATIONSHIP, A LONGITUDINALLY EXTENDING COMPRESSION MEMBER ADAPTED TO BIAS SAID BOW AND STERN SECTION IN OPPOSITE DIRECTIONS RELATIVE TO SAID INTERMEDIATE SECTION, AND A FLEXIBLE COVER OF WATERPROOF MATERIAL IN INTIMATE CONTACT WITH THE OUTER SURFACE OF SAID HULL, SAID COVER HAVING AN OPEN TOP PORTION ADAPTED TO COINCIDE WITH THE OPEN TOP PORTION OF SAID INTERMEDIATE SECTION, AND MEANS FOR SECURING SAID OPEN TOP PORTION OF THE COVER IN COINCIDENCE WITH THE OPEN TOP PORTION OF SAID INTERMEDIATE SECTION.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |