US2877033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial joint
Assignee: DREHER Manufacturing Co
•
Filing: 1956-03-16
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Granted: 1959-03-10
•
Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 Friedrich A K Koetke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:42
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0123; A61F2005/0132; A61F2005/0146; A61F2005/0158; A61F2005/016; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US377039A
Cited
US1335559A
Cited
US1842954A
Cited
US2055013A
Cited
US2433570A
Cited
US2498465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |