US1548576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instantaneous mechanical lead-screw-release mechanism
Assignee: Gisholt Machine Co
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Filing: 1922-05-13
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Granted: 1925-08-04
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Expires: 1942-05-13
Abstract
No abstract record available.
Inventors
- 👤 Paul R Bachtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:58
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/348; B23Q2705/00; B23Q2705/10; B23Q2705/18; B23Q2705/182; B23Q2705/185; B23Q2705/187; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/518; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2537; Y10T82/2539; Y10T82/2572; Y10T82/2574
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-08-03 | 1929-02-02 | 1929-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-08-03 | 1933-02-02 | 1933-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-08-03 | 1937-02-02 | 1937-08-04 | $7700.00 | Window Closed / Lapsed |