Patent EP0607788A2 successfully refreshed from Google Patents.
US2864464A
Expired / Lapsed
US
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Combination air filter and lubricator
Assignee: Gardner Denver Inc
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Filing: 1955-07-18
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Granted: 1958-12-16
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Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 William M Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:36
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34; B; B25; B25D; B25D17/00; B25D17/26; B25D17/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881483A
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US1012114A
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US1074867A
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US1990524A
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US2730269A
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US2560239A
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US2698064A
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US2680496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |