US2654256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm spring reciprocating tool
Assignee: Elox Corporation of Michigan
•
Filing: 1950-08-23
•
Granted: 1953-10-06
•
Expires: 1970-08-23
Abstract
No abstract record available.
Inventors
- 👤 Ian C Mckechnie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:17
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/001; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1897316A
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US2162719A
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US2355951A
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US2383382A
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US2441319A
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US2399977A
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US2432717A
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US2501954A
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US2499131A
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US2539439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |