US1687057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring shackle
Assignee: Inland Manufacturing Co
•
Filing: 1926-11-03
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Granted: 1928-10-09
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Expires: 1946-11-03
Abstract
No abstract record available.
Inventors
- 👤 Louis P Christman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:38
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/08; F16F3/087; B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38; B60G11/42; F16F1/00; F16F1/36; F16F1/371; F16F1/3713
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) | 1931-10-09 | 1932-04-09 | 1932-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-09 | 1936-04-09 | 1936-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-09 | 1940-04-09 | 1940-10-09 | $7700.00 | Window Closed / Lapsed |