US2501581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge joint
Assignee: Individual
•
Filing: 1946-05-06
•
Granted: 1950-03-21
•
Expires: 1966-05-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Rieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1007; Y; Y10; Y10S; Y10S403/00; Y10S403/06; Y10T; Y10T292/00; Y10T292/14; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32336; Y10T403/32361; Y10T403/32418; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5646; Y10T70/565; Y10T70/5655; Y10T70/5659
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) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |