US2689965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible adjustable dock board
Assignee: BEACON PRODUCTION EQUIPMENT CO
•
Filing: 1950-06-16
•
Granted: 1954-09-28
•
Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Frank W Fenton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:03
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/2805; B65G69/2811; B65G69/2817; B65G69/2829
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1112543A
Cited
US1106074A
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US1698209A
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US1967620A
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US2449829A
Cited
US2560064A
Cited
US2527653A
Cited
US2547460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |