US3480341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction bearing
Assignee: GW Murphy Industries Inc
•
Filing: 1967-10-16
•
Granted: 1969-11-25
•
Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 James L Hickernell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:55
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/49; E; E21; E21B; E21B10/00; E21B10/08; E21B10/22; F16C19/50; F16C19/505; F16C19/54; F16C19/56; F16C2352/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2685545A
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US2696413A
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US2752210A
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US2874007A
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US2823055A
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US2904374A
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US3151691A
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US3155439A
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US3285680A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |