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US3491855A
Expired / Lapsed
US
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Oil mist lubricating system
Assignee: LUBRIQUIP-HOUDAILLE Inc
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Filing: 1968-07-17
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Granted: 1970-01-27
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Expires: 1988-07-17
Abstract
No abstract record available.
Inventors
- 👤 Ronald F Obergefell
- 👤 Geza A Thiry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:22
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2753013A
Cited
US2719604A
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US2890765A
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US2998391A
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US3009826A
Cited
US2944029A
Cited
US3191718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |