Patent US4065820A successfully refreshed from Google Patents.
US4065820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded boat hulls
Assignee: Individual
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Filing: 1976-12-03
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Granted: 1978-01-03
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Expires: 1996-12-03
Abstract
Abstract A molded boat hull formed of bonded laminations of fiber glass sheet material is provided with longitudinally extending reinforcing stringers comprising substantially interleaved and interbonded marginal portions of plural laminations of fiber glass sheets of which the subject boat hull is generally constituted. The reinforcing stringers also serve to inseparably interconnect adjacent ones of the fiber glass sheets.
Inventors
- 👤 Medford L. Starratt, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:44
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/70; B29C66/72; B29C66/721; B29C66/7212; B29C66/7214; B29C66/72141; B29C66/72143; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B63; B63B; B63B5/00; B63B5/24; B29C66/71; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; B29K2105/0845; B29K2309/00; B29K2309/08; B29L; B29L2031/00; B29L2031/30; B29L2031/3067; B29L2031/307
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A molded boat hull comprising a wall having a plurality of longitudinally extending greater area portions, and longitudinal reinforcing stringers extending between said greater area portions; said greater area portions comprising plural, interbonded, woven fiber glass laminations, and said stringers being solid, and primarily comprising interleaved, interbonded, opposed marginal areas of pluralities of said fiber glass laminations of each of adjacent ones of said greater area portions.
Claim 2
Dependent Claim
67 words
A molded boat hull comprising a wall having a plurality of longitudinally extending greater area portions, and longitudinal reinforcing stringers extending between said greater area portions; said greater area portions comprising plural, interbonded, woven fiber glass laminations, and said stringers being solid, and primarily comprising interleaved, interbonded, opposed marginal areas of pluralities of said fiber glass laminations of each of adjacent ones of said greater area portions.
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) | 1981-01-02 | 1981-07-04 | 1982-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-02 | 1985-07-04 | 1986-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-02 | 1989-07-04 | 1990-01-03 | $7700.00 | Window Closed / Lapsed |