Patent US3221948A successfully refreshed from Google Patents.
US3221948A
Expired / Lapsed
US
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Metering and injection device
Assignee: Individual
•
Filing: 1962-09-26
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Granted: 1965-12-07
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Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ernest S Kalist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:29
CPC Classifications
F; F16; F16N; F16N27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METERING DEVICE FOR FLUENTS, COMPRISING: A CONTINUOUS FLOWING LINE OF FLUENT; A BODY MEMBER DEFINING AN INTERIOR CHAMBER AND HAVING AN INLET AND AN OUTLET EACH COMMUNICATIVE WITH SAID CHAMBER WHEREBY SAID FLUENT IS PERMITTED TO ENTER SAID MEMBER THROUGH SAID INLET AND TO DEPART THROUGH SAID OUTLET; FIRST AND SECOND MEANS MOVABLY DISPOSED WITHIN SAID CHAMBER AND NORMALLY DISPLACED FROM EACH OTHER ON OPPOSITE SIDES OF THE LINE OF FLOW BETWEEN SAID INLET AND SAID OUTLET;
Claim 2
Dependent Claim
78 words
A METERING DEVICE FOR FLUENTS, COMPRISING: A CONTINUOUS FLOWING LINE OF FLUENT; A BODY MEMBER DEFINING AN INTERIOR CHAMBER AND HAVING AN INLET AND AN OUTLET EACH COMMUNICATIVE WITH SAID CHAMBER WHEREBY SAID FLUENT IS PERMITTED TO ENTER SAID MEMBER THROUGH SAID INLET AND TO DEPART THROUGH SAID OUTLET; FIRST AND SECOND MEANS MOVABLY DISPOSED WITHIN SAID CHAMBER AND NORMALLY DISPLACED FROM EACH OTHER ON OPPOSITE SIDES OF THE LINE OF FLOW BETWEEN SAID INLET AND SAID OUTLET;
References Cited (Backward Citations)
BE493117A
Cited
US160589A
Cited
FR561433A
Cited
US1944919A
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FR841149A
Cited
US2336998A
Cited
US2954146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |