US2446410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination pry-and-boom structure
Assignee: Individual
•
Filing: 1943-11-27
•
Granted: 1948-08-03
•
Expires: 1963-11-27
Abstract
No abstract record available.
Inventors
- 👤 Kibbey W Couse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:02
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US551399A
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US585123A
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US790478A
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US917879A
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US1245062A
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US1571240A
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US1528642A
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US1890227A
Cited
US2129624A
Cited
US2333136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |