Patent US3010539A successfully refreshed from Google Patents.
US3010539A
Expired / Lapsed
US
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Automatic valve lubrication
Assignee: Rockwell Manufacturing Co
•
Filing: 1957-05-15
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Granted: 1961-11-28
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles B Goff
- 👤 Paul A Manor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:33
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/02; F16N7/10; F16K; F16K5/00; F16K5/08; F16K5/22; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US960341A
Cited
US1717543A
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US1633357A
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US1750701A
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US2086725A
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US2042067A
Cited
US2505970A
Cited
US2501946A
Cited
US2881785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |