US3483789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking retaining rings
Assignee: Waldes Truarc Inc
•
Filing: 1967-11-20
•
Granted: 1969-12-16
•
Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Hugo Wurzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:12
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/20; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2275058A
Cited
US2401207A
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US2401856A
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US2354748A
Cited
GB627059A
Cited
GB702932A
Cited
GB682578A
Cited
US2798748A
Cited
FR1073115A
Cited
US3032807A
Cited
GB911832A
Cited
US3198294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |