US2687568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting rod tool
Assignee: Individual
•
Filing: 1951-04-19
•
Granted: 1954-08-31
•
Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 Keiser John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:32
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06; B25B9/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US489782A
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US749318A
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US983038A
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US1131290A
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US1264579A
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US1451606A
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US1529518A
Cited
US2157753A
Cited
US2508047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |