US3266791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atmospheric metering throttle return check assembly
Assignee: F AND E Manufacturing CO
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Filing: 1964-02-20
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Granted: 1966-08-16
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Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 John R Emerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:17
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/06; F02M3/062; F02M19/00; F02M19/12; F02M19/122; Y; Y10; Y10S; Y10S261/00; Y10S261/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN ATMOSPHERIC METERING THROTTLE RETURN CHECK ASSEMBLY COMPRISING A HOUSING, DIAPHRAGM MEANS IN SAID HOUSING DEFINING AN AIRTIGHT PARTITION THEREIN, INCLUDING PORTIONS THEREOF MOUNTED FOR RECIPROCATION BETWEEN FIRST AND SECOND LIMIT POSITIONS, AND DEFINING FIRST AND SECOND CHAMBERS IN SAID HOUSING ON OPPOSITE SIDES OF SAID DIAPHRAGM MEANS, SAID HOUSING INCLUDING FIRST PASSAGE MEANS COMMUNICATED WITH THE INTERIOR OF SAID FIRST CHAMBER AND ADAPTED TO BE COMMUNICATED WITH A SOURCE OF MANIFOLD VACUUM AND SECOND PASSAGE MEANS VENTING SAID SECOND CHAMBER TO THE AMBIENT ATMOSPHERE, MEANS YIELDINGLY URGING SAID MOVABLE PORTIONS OF SAID DIAPHRAGM MEANS TOWARD SAID SECOND POSITION TO INCREASE THE VOLUME OF SAID FIRST CHAMBER, MOVABLE MOVEMENT TRANSMITTING MEANS OPERATIVELY CONNECTED TO SAID MOVABLE PORTION AND INCLUDING A PORTION DISPOSED EXTERIORLY OF SAID HOUSING ADAPTED FOR ENGAGEMENT WITH A THROTTLE CONTROL FOR GOVERNING MOVEMENT OF SAID THROTTLE CONTROL IN RESPONSE TO MOVEMENT OF SAID MOVABLE PORTION OF SAID DIAPHRAGM MEANS,
Claim 2
Dependent Claim
152 words
AN ATMOSPHERIC METERING THROTTLE RETURN CHECK ASSEMBLY COMPRISING A HOUSING, DIAPHRAGM MEANS IN SAID HOUSING DEFINING AN AIRTIGHT PARTITION THEREIN, INCLUDING PORTIONS THEREOF MOUNTED FOR RECIPROCATION BETWEEN FIRST AND SECOND LIMIT POSITIONS, AND DEFINING FIRST AND SECOND CHAMBERS IN SAID HOUSING ON OPPOSITE SIDES OF SAID DIAPHRAGM MEANS, SAID HOUSING INCLUDING FIRST PASSAGE MEANS COMMUNICATED WITH THE INTERIOR OF SAID FIRST CHAMBER AND ADAPTED TO BE COMMUNICATED WITH A SOURCE OF MANIFOLD VACUUM AND SECOND PASSAGE MEANS VENTING SAID SECOND CHAMBER TO THE AMBIENT ATMOSPHERE, MEANS YIELDINGLY URGING SAID MOVABLE PORTIONS OF SAID DIAPHRAGM MEANS TOWARD SAID SECOND POSITION TO INCREASE THE VOLUME OF SAID FIRST CHAMBER, MOVABLE MOVEMENT TRANSMITTING MEANS OPERATIVELY CONNECTED TO SAID MOVABLE PORTION AND INCLUDING A PORTION DISPOSED EXTERIORLY OF SAID HOUSING ADAPTED FOR ENGAGEMENT WITH A THROTTLE CONTROL FOR GOVERNING MOVEMENT OF SAID THROTTLE CONTROL IN RESPONSE TO MOVEMENT OF SAID MOVABLE PORTION OF SAID DIAPHRAGM MEANS,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |