US2658713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic lubrication
Assignee: Rockwell Manufacturing Co
•
Filing: 1948-08-27
•
Granted: 1953-11-10
•
Expires: 1968-08-27
Abstract
No abstract record available.
Inventors
- 👤 George F Scherer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:06
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/22; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4393; Y10T137/44; Y10T137/4414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1762902A
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US1696774A
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US1780160A
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US1944995A
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US1932322A
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US2114934A
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US2048884A
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US2122560A
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US2466790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |