US2978794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lubricating anti-friction bearings with bonded lubricant films
Assignee: Individual
•
Filing: 1958-04-16
•
Granted: 1961-04-11
•
Expires: 1978-04-16
Abstract
No abstract record available.
Inventors
- 👤 Edward R Lamson
- 👤 Martin J Devine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:15
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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US1947004A
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US2516567A
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US2504094A
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US2685545A
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US2697645A
Cited
US2720119A
Cited
US2704234A
Cited
GB754115A
Cited
US2715617A
Cited
GB769390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |