US3144247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient element consisting of rubber or rubber-elastic synthetic resin
Assignee: ZF Lemfoerder GmbH
•
Filing: 1961-06-14
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Granted: 1964-08-11
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Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 Szonn Reinhold Ehrenfried
- 👤 Diepholz Kreis Grafsch
- 👤 Reuter Franz Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:33
CPC Classifications
B; B60; B60G; B60G7/00; B60G7/04; F; F16; F16F; F16F1/00; F16F1/36; F16F1/373; F16F1/376; F16F13/00; F16F13/002; F16F3/00; F16F3/08; F16F3/087; F16F3/093; F16F9/00; F16F9/02; F16F9/04; F16F9/0418
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |