US2591344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for positioning rotary controlled elements
Assignee: Individual
•
Filing: 1947-09-03
•
Granted: 1952-04-01
•
Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harold F Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:55
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/18; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1795420A
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US2249753A
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US2285414A
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US2299082A
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US2389350A
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US2391470A
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US2526152A
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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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |