US2821268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic shock absorber
Assignee: Individual
•
Filing: 1953-12-16
•
Granted: 1958-01-28
•
Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Bourcier Christian Marie Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:18
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/34; F16F9/348; F16F9/3482; F16F9/50; F16F9/52; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1143753A
Cited
US1407320A
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US1484193A
Cited
US1871287A
Cited
US1883514A
Cited
GB472991A
Cited
GB653869A
Cited
DE838403C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |