US2302304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control mechanism
Assignee: Landis Tool Co
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Filing: 1940-10-17
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Granted: 1942-11-17
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Expires: 1960-10-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert S Elberty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:37
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/08; B23Q15/10; B24; B24B; B24B47/00; B24B47/10; B24B47/18; Y; Y10; Y10S; Y10S451/00; Y10S451/915; Y10T; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2554; Y10T82/2556
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) | 1945-11-16 | 1946-05-18 | 1946-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-16 | 1950-05-18 | 1950-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-16 | 1954-05-18 | 1954-11-17 | $7700.00 | Window Closed / Lapsed |