US3095866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor air filter detecting device
Assignee: Individual
•
Filing: 1960-07-25
•
Granted: 1963-07-02
•
Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Henry E Dionne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:42
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/08; F02M35/09; Y; Y10; Y10S; Y10S116/00; Y10S116/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN COMBINATION WITH AN ENGINE HAVING AN AIR INDUCTION PASSAGE AND A FILTER UNIT HAVING A CENTRAL CAVITY CONNECTED TO SAID PASSAGE THROUGH WHICH AIR FLOWS TO SAID ENGINE, AN AIR FILTER DETECTION DEVICE COMPRISING, A LIQUID LUBRICANT CONTAINING RESERVOIR, AND CONDUIT MEANS COMMUNICATING BETWEEN SAID RESERVOIR AND SAID CENTRAL CAVITY, SAID RESERVOIR POSITIONED BELOW THE COMMUNICATIVE CONNECTION OF SAID CONDUIT TO SAID CENTRAL CAVITY IN ORDER THAT SAID CONDUIT MEANS WILL DRAW SAID LUBRICANT FROM SAID RESERVOIR INTO SAID PASSAGE IN RESPONSE TO THE PARTIAL VACUUM WITHIN SAID CENTRAL PASSAGE WHEN THERE IS A RESTRICTION OF AIR FLOW THROUGH SAID FILTER UNIT.
Claim 2
Dependent Claim
103 words
IN COMBINATION WITH AN ENGINE HAVING AN AIR INDUCTION PASSAGE AND A FILTER UNIT HAVING A CENTRAL CAVITY CONNECTED TO SAID PASSAGE THROUGH WHICH AIR FLOWS TO SAID ENGINE, AN AIR FILTER DETECTION DEVICE COMPRISING, A LIQUID LUBRICANT CONTAINING RESERVOIR, AND CONDUIT MEANS COMMUNICATING BETWEEN SAID RESERVOIR AND SAID CENTRAL CAVITY, SAID RESERVOIR POSITIONED BELOW THE COMMUNICATIVE CONNECTION OF SAID CONDUIT TO SAID CENTRAL CAVITY IN ORDER THAT SAID CONDUIT MEANS WILL DRAW SAID LUBRICANT FROM SAID RESERVOIR INTO SAID PASSAGE IN RESPONSE TO THE PARTIAL VACUUM WITHIN SAID CENTRAL PASSAGE WHEN THERE IS A RESTRICTION OF AIR FLOW THROUGH SAID FILTER UNIT.
References Cited (Backward Citations)
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Cited
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US2537495A
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US2627934A
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FR1107966A
Cited
US2816622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |