Patent US2109782A successfully refreshed from Google Patents.
US3350322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner water extraction device
Assignee: Mack Trucks Inc
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Filing: 1965-08-27
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Granted: 1967-10-31
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Waterhouse Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:42
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/026
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
AN OIL BATH AIR CLEANER COMPRISING AN OUTER CASING AND A BOTTOM SECTION DETACHABLY SECURED TO SADI CASING AND DEFINING AN OIL RESERVOIR, AN AIR INTAKE CONDUIT EXTENDING DOWNWARDLY THROUGH SAID CASING AND HAVING A FREE END DISPOSED ABOVE THE BOTTOM OF SAID BOTTOM SECTION, AN AIR OUTLET IN SAID CASING, A CUP SHAPED MEMBER IN SAID BOTTOM SECTION IN ALIGNMENT WITH SAID CONDUIT, A HEATING ELEMENT IN SAID BOTTOM SECTIO ADJACENT TO SAID CUP MEMBER, A FIRST TUBE HAVING A FREE END DISPOSED WITHIN SAID RESERVOIR BETWEEN SAID CUP MEMBER AND A SIDE OF SAID BOTTOM SECTION, SAID FIRST TUBE EXTENDING UPWARDLY AND OUTWARDLY THROUGH SAID BOTTOM SECTION AND HAVING AN OUTER END, A HEADER COMMUNICATING WITH SAID OUTER END OF SAID TUBE AND A SECOND TUBE EXTENDING FROM SAID HEADER UPWARDLY AN INWARDLY INTO SAID BOTTOM SECTION ABOVE SAID RESERVOIR.
References Cited (Backward Citations)
US1109103A
Cited
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US2208673A
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US2694465A
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US2701029A
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US2808933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |