US2980987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lubricating anti-friction bearings
Assignee: Individual
•
Filing: 1958-10-27
•
Granted: 1961-04-25
•
Expires: 1978-10-27
Abstract
No abstract record available.
Inventors
- 👤 Edward R Lamson
- 👤 Martin J Devine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:50
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6696; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2685543A
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GB731348A
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US2675276A
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US2720119A
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US2691814A
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US2704234A
Cited
GB757582A
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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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |