US2737666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil spring retainer and assembly
Assignee: Rockwell Spring and Axle Co
•
Filing: 1955-02-14
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Granted: 1956-03-13
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Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Herider
- 👤 James Jimmie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:43
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/05; F; F16; F16F; F16F1/00; F16F1/02; F16F1/04; F16F1/12; F16F1/122
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) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |