US2536626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air spring and shock absorber
Assignee: Individual
•
Filing: 1946-12-19
•
Granted: 1951-01-02
•
Expires: 1966-12-19
Abstract
No abstract record available.
Inventors
- 👤 Coleman Stephen Leona Chauncey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:55
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/084; B; B64; B64C; B64C25/00; B64C25/32; B64C25/58; B64C25/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1142162A
Cited
US1488646A
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US1555199A
Cited
US1980832A
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US2031000A
Cited
US2213242A
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US2348160A
Cited
US2393493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |