US2668567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-driven reciprocating saw unit
Assignee: Individual
•
Filing: 1949-05-31
•
Granted: 1954-02-09
•
Expires: 1969-05-31
Abstract
No abstract record available.
Inventors
- 👤 Holly M Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
B; B23; B23D; B23D57/00; B23D57/0076; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D51/00; B23D51/02; B23D51/025; B23D51/026; B23D59/00; B23D59/006; B23D59/0062; Y; Y10; Y10T; Y10T408/00; Y10T408/31; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18216
Claims Analysis
Total Claims: 0
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US2457829A
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US2455626A
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US2548411A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |