US3533651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Releasably lockable structure simulating a human joint
Assignee: Wilhelm Julius Teufel GmbH
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Filing: 1968-08-02
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Granted: 1970-10-13
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Expires: 1988-08-02
Abstract
No abstract record available.
Inventors
- 👤 Jan Prahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:38
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/64; A61F5/00; A61F5/01; A61F5/0102; A61F5/0123; A61F5/0125; F; F16; F16C; F16C11/00; F16C11/04; F16C11/10; A61F2/68; A61F2002/6854; A61F2005/0132; A61F2005/0158; A61F2005/016; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |