US2815201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic device
Assignee: D'ETUDES FERROVIAIRES Ste
•
Filing: 1955-02-15
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Granted: 1957-12-03
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Expires: 1975-02-15
Abstract
No abstract record available.
Inventors
- 👤 Girod-Eymery Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:57
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/02; F16F3/04; F16F3/06; F16F3/08; F16F3/10; F16F3/12
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |