Patent US3586079A successfully refreshed from Google Patents.
Patent US2992845A successfully refreshed from Google Patents.
US2992845A
Expired / Lapsed
US
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Friction device
Assignee: Individual
•
Filing: 1958-02-20
•
Granted: 1961-07-18
•
Expires: 1978-02-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:52
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0413; E; E04; E04H; E04H15/00; E04H15/32; E04H15/60; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1964554A
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US2208196A
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US2296241A
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US2580482A
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US2488480A
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US2522394A
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US2551294A
Cited
US2800737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |