Patent US3450084A successfully refreshed from Google Patents.
US3450084A
Expired / Lapsed
US
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Boat hull construction with outrigger pontoon assembly
Assignee: Individual
•
Filing: 1967-04-13
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Granted: 1969-06-17
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Expires: 1987-04-13
Abstract
No abstract record available.
Inventors
- 👤 Fred Gerbracht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:11
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/02; B63B1/10; B63B1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA550193A
Cited
GB529629A
Cited
US2392834A
Cited
FR1015312A
Cited
US2855885A
Cited
US3051115A
Cited
US3075488A
Cited
US3148652A
Cited
US3225729A
Cited
US3316873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |