US2902696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prosthetic apparatus
Assignee: North American Aviation Corp
•
Filing: 1955-10-03
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Granted: 1959-09-08
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Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Frank C Mittell
- 👤 Chase Norris
- 👤 George J Matey
- 👤 Pollock Latham
- 👤 Robert J Dawson
- 👤 John L Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:54
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/12; A61F; A61F4/00; A61G5/04; A61G5/1054; A61G5/125; A61G5/128; A61G2203/00; A61G2203/10; A61G2203/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2528464A
Cited
US2580987A
Cited
US2553277A
Cited
US2679649A
Cited
US2681650A
Cited
US2842774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |