US2576069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque-limiting wrench
Assignee: Individual
•
Filing: 1947-12-04
•
Granted: 1951-11-20
•
Expires: 1967-12-04
Abstract
No abstract record available.
Inventors
- 👤 Hoag Wilton Folsom
- 👤 Clarence F Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:10
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/141; F; F16; F16D; F16D2300/00; F16D2300/20; Y; Y10; Y10S; Y10S81/00; Y10S81/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US508426A
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US829854A
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US857632A
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US1237932A
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US1667725A
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US1769510A
Cited
FR749550A
Cited
US2275004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |