US2998868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damping device
Assignee: Rheinmetall Air Defence AG
•
Filing: 1958-11-17
•
Granted: 1961-09-05
•
Expires: 1978-11-17
Abstract
No abstract record available.
Inventors
- 👤 Meier Ghert Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:51
CPC Classifications
F; F16; F16F; F16F5/00; F16F15/00; F16F15/02; F16F15/023; F16F15/0235; F16F15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US464949A
Cited
CA484667A
Cited
US793035A
Cited
US2080279A
Cited
US2182076A
Cited
US2420360A
Cited
US2417282A
Cited
US2661913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |