Patent US1529680A successfully refreshed from Google Patents.
US1529680A
Expired / Lapsed
US
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Shock absorber
Assignee: Individual
•
Filing: 1923-07-30
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Granted: 1925-03-17
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Expires: 1943-07-30
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Ackerman
- 👤 Griffith C Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:29
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/14; F16F9/145; Y; Y10; Y10S; Y10S16/00; Y10S16/21; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7848
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) | 1928-03-16 | 1928-09-15 | 1929-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-16 | 1932-09-15 | 1933-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-16 | 1936-09-15 | 1937-03-17 | $7700.00 | Window Closed / Lapsed |