US2430097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating system
Assignee: Briggs Filtration Co
•
Filing: 1942-06-25
•
Granted: 1947-11-04
•
Expires: 1962-06-25
Abstract
No abstract record available.
Inventors
- 👤 Walter C Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:01
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/12; F01M1/10; F16; F16N; F16N39/00; F16N39/06; F01M2001/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1384873A
Cited
US1590120A
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US1020774A
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US1250036A
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US1638281A
Cited
US1656200A
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US1805230A
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US2141798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |