US2512733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated boom
Assignee: Individual
•
Filing: 1946-06-26
•
Granted: 1950-06-27
•
Expires: 1966-06-26
Abstract
No abstract record available.
Inventors
- 👤 Andersen Tengel
- 👤 Carroll C Colby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:22
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1630800A
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US1939950A
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US1868562A
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US2019938A
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US2045793A
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US2216697A
Cited
US2183478A
Cited
US2320168A
Cited
US2375970A
Cited
US2411061A
Cited
US2437010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |