Patent US2955481A successfully refreshed from Google Patents.
US2955481A
Expired / Lapsed
US
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Elastic gear- and sprocket wheels
Assignee: ZF Lemfoerder GmbH
•
Filing: 1958-03-24
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Granted: 1960-10-11
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Jackel Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:28
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/14; F16H55/06; F16H2055/065; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/4948; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19888; Y10T74/19893; Y10T74/19907; Y10T74/19949; Y10T74/19963; Y10T74/19967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US284290A
Cited
US680654A
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US1352125A
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US2064435A
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US2111590A
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US2198008A
Cited
US2827796A
Cited
US2839942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |