US2581033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axially offset, motor operated, impact-type wrench
Assignee: Independent Pneumatic Tool Co
•
Filing: 1947-02-14
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Granted: 1952-01-01
•
Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 Gilbert B Larson
- 👤 Frank A Kaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/06; B; B25; B25B; B25B21/00; B25B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2179724A
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US2219865A
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US2341497A
Cited
US2342783A
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US2326347A
Cited
US2425793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |