US1407946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain tightener
Assignee: Individual
•
Filing: 1921-11-15
•
Granted: 1922-02-28
•
Expires: 1941-11-15
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:51
CPC Classifications
F; F16; F16G; F16G3/00; F16G3/006; B; B62; B62D; B62D33/00; B62D33/02; B62D33/0207; B62D33/0215; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1424; Y10T24/39; Y10T24/3902
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) | 1925-02-27 | 1925-08-29 | 1926-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-02-27 | 1929-08-29 | 1930-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-02-27 | 1933-08-29 | 1934-02-28 | $7700.00 | Window Closed / Lapsed |