US3146922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing device for pressurized package
Assignee: Risdon Manufacturing Co
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Filing: 1963-01-15
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Granted: 1964-09-01
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Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald S Tuttle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:29
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; B65D83/16; B65D83/162; B65D83/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SELF-SEALING VALVE ACTUATOR FOR USE IN PRESSURIZED PACKAGES WHEREIN A PRODUCT IS CONFINED WITHIN A PACKAGE UNDER THE PRESSURE OF A GASEOUS PROPELLANT AND DISCHARGE OF THE PRODUCT FROM THE PACKAGE IS CONTROLLED BY A VALVE MOUNTED THEREON, SAID VALVE ACTUATOR COMPRISING: A BODY PORTION MOVABLE IN THE DIRECTION OF THE LONGITUDINAL AXIS OF THE PACKAGE AND ADAPTED TO BE MOUNTED ON THE VALVE STEM FOR THE VALVE,
Claim 2
Dependent Claim
69 words
A SELF-SEALING VALVE ACTUATOR FOR USE IN PRESSURIZED PACKAGES WHEREIN A PRODUCT IS CONFINED WITHIN A PACKAGE UNDER THE PRESSURE OF A GASEOUS PROPELLANT AND DISCHARGE OF THE PRODUCT FROM THE PACKAGE IS CONTROLLED BY A VALVE MOUNTED THEREON, SAID VALVE ACTUATOR COMPRISING: A BODY PORTION MOVABLE IN THE DIRECTION OF THE LONGITUDINAL AXIS OF THE PACKAGE AND ADAPTED TO BE MOUNTED ON THE VALVE STEM FOR THE VALVE,
References Cited (Backward Citations)
US2658714A
Cited
US2628004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |