US2678576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine-operated wrench and control means therefor
Assignee: Tenneco Automotive Inc
•
Filing: 1949-04-28
•
Granted: 1954-05-18
•
Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Keith R Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:43
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B23/1456; B23; B23P; B23P19/00; B23P19/04; B23P19/06; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US723995A
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US938522A
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US1754978A
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US1859319A
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US1960719A
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US2034740A
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US1985864A
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US2163930A
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US2253367A
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US2336573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |