US1742755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve spring
Assignee: Motors Liquidation Co
•
Filing: 1926-12-10
•
Granted: 1930-01-07
•
Expires: 1946-12-10
Abstract
No abstract record available.
Inventors
- 👤 Cataline Benton
- 👤 Eugene C Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:56
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/02; F16F1/04; F16F1/06; F01; F01L; F01L1/00; F01L1/46; F01L1/462; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7905
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) | 1933-01-06 | 1933-07-08 | 1934-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-06 | 1937-07-08 | 1938-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-06 | 1941-07-08 | 1942-01-07 | $7700.00 | Window Closed / Lapsed |