US3538516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable artificial leg for temporary use
Assignee: Rubery Owen and Co Ltd
•
Filing: 1967-10-20
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Granted: 1970-11-10
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Expires: 1987-10-20
Abstract
No abstract record available.
Inventors
- 👤 John G Bailey
- 👤 George J Wyers
- 👤 Peter Spear
- 👤 Anthony W Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/76; A61F2/60; A61F2/64; A61F2/66; A61F2/6607; A61F2/78; A61F2/80; A61F2002/5081; A61F2002/6614
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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |