Patent US2367904A successfully refreshed from Google Patents.
US3545232A
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Hooke's type universal joint
Assignee: Duerkoppwerke GmbH
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Filing: 1968-12-26
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Granted: 1970-12-08
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Expires: 1988-12-26
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Neese
- 👤 Alfred Witte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:17
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/40; F16D3/41; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C19/44; F16C19/46; F16C19/54; F16C19/546; F16C19/547; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16D3/382; F16C2226/00; F16C2226/30; F16C2226/36; F16C2361/00; F16C2361/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1943814A
Cited
GB878997A
Cited
GB904170A
Cited
US3216087A
Cited
US3178907A
Cited
US3241336A
Cited
US3352127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |