Patent US3238655A successfully refreshed from Google Patents.
Patent US3141579A successfully refreshed from Google Patents.
US3141579A
Expired / Lapsed
US
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Liquid measuring dispensers
Assignee: Individual
•
Filing: 1960-10-12
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Granted: 1964-07-21
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Expires: 1980-10-12
Abstract
No abstract record available.
Inventors
- 👤 John P Medlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/30; A47G19/32; G; G01; G01F; G01F11/00; G01F11/10; G01F11/26; G01F11/262; G01F11/263; G01F11/28; G01F11/286; G01F11/30; G01F11/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
APPARTUS FOR DISPENSING A MEASURED QUANTITY OF LIQUID COMPRISING: A LIQUID STORAGE CONTAINER HAVING FLEXIBLE WALLS; SAID STORAGE CONTAINER HAVING AN OPENING THEREIN; A DISPENSING MECHANISM SECURED TO SAID OPENING IN SAID STORAGE CONTAINER FOR DISPENSING A MEASURED QUANTITY OF LIQUID; SAID DISPENSING MECHANISM COMPRISING A NECK PORTION; TAPERED ANNULAR FLANGE MEANS PROJECTING INWARDLY FROM SAID NECK PORTION AT THE JUNCTION OF SAID DISPENSING MECHANISM AND SAID STORAGE CONTAINER; VALVE MEANS NORMALLY BIASED AGAINST SAID TAPERED ANNULAR FLANGE FOR FORMING A LIQUID TIGHT SEAL BETWEEN SAID STORAGE CONTAINER AND SAID DISPENSING MECHANISM; SAID VALVE MEANS BEING POSITIONED RELATIVE TO SAID ANNULAR FLANGE SO THAT THE APPLICATION OF INWARD PRESSURE TO SAID FLEXIBLE WALLS OF SAID CONTAINER WILL FORCE SAID VALVE MEANS AWAY FROM SAID ANNULAR FLANGE THROUGH THE APPLICATION OF LIQUID
Claim 2
Dependent Claim
131 words
APPARTUS FOR DISPENSING A MEASURED QUANTITY OF LIQUID COMPRISING: A LIQUID STORAGE CONTAINER HAVING FLEXIBLE WALLS; SAID STORAGE CONTAINER HAVING AN OPENING THEREIN; A DISPENSING MECHANISM SECURED TO SAID OPENING IN SAID STORAGE CONTAINER FOR DISPENSING A MEASURED QUANTITY OF LIQUID; SAID DISPENSING MECHANISM COMPRISING A NECK PORTION; TAPERED ANNULAR FLANGE MEANS PROJECTING INWARDLY FROM SAID NECK PORTION AT THE JUNCTION OF SAID DISPENSING MECHANISM AND SAID STORAGE CONTAINER; VALVE MEANS NORMALLY BIASED AGAINST SAID TAPERED ANNULAR FLANGE FOR FORMING A LIQUID TIGHT SEAL BETWEEN SAID STORAGE CONTAINER AND SAID DISPENSING MECHANISM; SAID VALVE MEANS BEING POSITIONED RELATIVE TO SAID ANNULAR FLANGE SO THAT THE APPLICATION OF INWARD PRESSURE TO SAID FLEXIBLE WALLS OF SAID CONTAINER WILL FORCE SAID VALVE MEANS AWAY FROM SAID ANNULAR FLANGE THROUGH THE APPLICATION OF LIQUID
References Cited (Backward Citations)
US1382138A
Cited
US1869808A
Cited
US2659518A
Cited
FR1051890A
Cited
US2801032A
Cited
US2828893A
Cited
US2876935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |