Patent US3221935A successfully refreshed from Google Patents.
US3221935A
Expired / Lapsed
US
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Liquid container and valve therefor
Assignee: Individual
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Filing: 1965-01-18
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Granted: 1965-12-07
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Wood B Shurtleff
- 👤 Philip N Rawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:28
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/38; B65D25/40; B65D25/42; B65D25/44; B65D47/00; B65D47/04; B65D47/20; B65D47/24; B65D47/248; B65D47/249
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A CONTAINER FOR LIQUIDS HAVING GAS PRESSURE THEREIN, A SLEEVE IN A WALL OF SAID CONTAINER PROVIDING AN OPENING THEREIN, A VALVE BODY SLIDABLY MOUNTED IN SAID SLEEVE, MEANS LIMITING THE MOVEMENT OF SAID BODY PARTIALLY OUTWARDLY OF SAID SLEEVE, A GAS INJECTION PORT EXTENDING THROUGH SAID BODY, VALVE MEANS PREVENTING OUTWARD FLOW THROUGH SAID GAS INJECTION PORT, A LIQUID DISPENSING PORT EXTENDING THROUGH SAID BODY, AND MANUALLY OPERATED VALVE MEANS SELECTIVELY CONTROLLING FLOW THROUGH SAID LIQUID DISPENSING PORT.
Claim 2
Dependent Claim
79 words
A CONTAINER FOR LIQUIDS HAVING GAS PRESSURE THEREIN, A SLEEVE IN A WALL OF SAID CONTAINER PROVIDING AN OPENING THEREIN, A VALVE BODY SLIDABLY MOUNTED IN SAID SLEEVE, MEANS LIMITING THE MOVEMENT OF SAID BODY PARTIALLY OUTWARDLY OF SAID SLEEVE, A GAS INJECTION PORT EXTENDING THROUGH SAID BODY, VALVE MEANS PREVENTING OUTWARD FLOW THROUGH SAID GAS INJECTION PORT, A LIQUID DISPENSING PORT EXTENDING THROUGH SAID BODY, AND MANUALLY OPERATED VALVE MEANS SELECTIVELY CONTROLLING FLOW THROUGH SAID LIQUID DISPENSING PORT.
References Cited (Backward Citations)
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 |