Patent US3101489A successfully refreshed from Google Patents.
US3101489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic boat construction
Assignee: Continental Copper and Steel Industries Inc
•
Filing: 1959-02-17
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Granted: 1963-08-27
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Walter R Chance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:51
CPC Classifications
B; B63; B63B; B63B5/00; B63B5/24; B63B7/00; B63B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN ALL PLASTIC LIFEBOAT CONSTRUCTION, SAID CONSTRUCTION CONSISTING OF INTEGRALLY JOINED LAMINATED RESIN COVERED MULTIPLE SHEETS, AND SAID CONSTRUCTION HAVING SIDE HULL SECTION INDEPENDENTLY MOLDED OF A PLURALITY OF INDEPENDENT GLASS FIBER WOVEN RESIN IMPREGNATED SHEETS AND JOINED TOGETHER AT THE BOAT KEEL SAID SIDE SECTIONS BEING PROVIDED
Claim 2
Dependent Claim
48 words
AN ALL PLASTIC LIFEBOAT CONSTRUCTION, SAID CONSTRUCTION CONSISTING OF INTEGRALLY JOINED LAMINATED RESIN COVERED MULTIPLE SHEETS, AND SAID CONSTRUCTION HAVING SIDE HULL SECTION INDEPENDENTLY MOLDED OF A PLURALITY OF INDEPENDENT GLASS FIBER WOVEN RESIN IMPREGNATED SHEETS AND JOINED TOGETHER AT THE BOAT KEEL SAID SIDE SECTIONS BEING PROVIDED
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |