US3523080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction elements,in particular for hinges and bearings
Assignee: Individual
•
Filing: 1965-11-18
•
Granted: 1970-08-04
•
Expires: 1985-11-18
Abstract
No abstract record available.
Inventors
- 👤 Paul Rene Delaplace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:07
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/18; F16C33/20; F16C33/201; F16C2202/00; F16C2202/50; F16C2208/00; F16C2208/80; F16C2208/86; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31656; Y10T428/31678; Y10T428/31703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2494559A
Cited
US1356920A
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US2074128A
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US2672443A
Cited
GB698611A
Cited
US2828229A
Cited
US3198691A
Cited
US3151015A
Cited
US3224967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |