US1407160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Declutchable safety collar for rotatable nuts
Assignee: Cincinnati Bickford Tool Co
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Filing: 1920-11-09
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Granted: 1922-02-21
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Expires: 1940-11-09
Abstract
No abstract record available.
Inventors
- 👤 David C Klausmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:08
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/24; F16H25/2472; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/38; B23Q5/40; B23Q5/54; B23Q5/58; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19707
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) | 1925-02-20 | 1925-08-22 | 1926-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-02-20 | 1929-08-22 | 1930-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-02-20 | 1933-08-22 | 1934-02-21 | $7700.00 | Window Closed / Lapsed |