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Patent US2801429A successfully refreshed from Google Patents.
US2801429A
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Buoy anchor
Assignee: Individual
•
Filing: 1949-09-07
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Granted: 1957-08-06
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Expires: 1969-09-07
Abstract
No abstract record available.
Inventors
- 👤 Howard W Semon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:34
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/18; B63B22/20; B63B51/00; B63B51/02; B63B2205/00; B63B2205/02; B63B2205/06
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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |