US2531246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clicker mechanism for spindles
Assignee: Ark Les Electronic Products Corp
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Filing: 1947-02-15
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Granted: 1950-11-21
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Expires: 1967-02-15
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Batcheller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:57
CPC Classifications
F; F16; F16D; F16D71/00; F16D71/04; H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/11; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |