Patent US3068830A successfully refreshed from Google Patents.
US3068830A
Expired / Lapsed
US
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Boat
Assignee: Individual
•
Filing: 1960-04-27
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Granted: 1962-12-18
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Expires: 1980-04-27
Abstract
No abstract record available.
Inventors
- 👤 Philip W Dickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:27
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/34; B63B35/36; B63B25/00; B63B25/002; B63B25/008; B63B1/00; B63B1/02; B63B1/10; B63B1/14; B63B2001/145; B63B2035/001; B63B35/44; B63B2035/4426; Y; Y02; Y02A; Y02A30/00
Claims Analysis
Total Claims: 0
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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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |