US3260421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing device for aerosol pressure containers
Assignee: Precision Valve Corp
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Filing: 1965-09-03
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Granted: 1966-07-12
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Rabussier Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/32; B65D83/16; B65D83/162; B65D83/34
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
A AEROSOL DISPENSING PRESSURE CONTAINER, SAID CONTAINER CONTAINING TWO IMMISCIBLE LIQUID PHASES SEPARTED BY GRAVITY, ONE OF SAID PHASES BEING OF AQUEOUS NATURE AND THE OTHER ONE OF ORGANIC NATURE, SAID ORGANIC PHASE CONSISTING OF A LIQUEFIED PROPELLANT GAS HAVING AN ACTIVE AGENT DISSOLVED THEREIN, SAID CONTAINER COMPRISING ALSO A DISPENSING DEVICE MOUNTED THEREON, SAID DEVICE EMBODYING A STOPPER VALVE AND AN EDUCATION TUBE HOUSED WITHIN SAID CONTAINER AND HAVING AN OPENING AT EACH END THEREOF, ONE OF SAID OPENINGS BEING FITTED ON SAID STOPPER VALVE WHEREAS THE OTHER ONE IS FREELY OPEN, SAID TUBE DIPPING INTO BOTH LIQUID PHASES, AND WITHIN SAID EDUCTION TUBE IS PROVIDED WITH A SUCCESSION OF LATERAL PERFORATIONS LONGITUDINALLY SPACED ON SAID TUBE BETWEEN THE OPPOSITE END OF THE TUBE, WITH SOME OF SAID PERFORATIONS BEING IMMERSED IN SAID AQUEOUS PHASE AND OTHERS IN SAID ORGANIC PHASE TO PERMIT SIMULTANEOUS EDUCTION OF THE LIQUIDS OF BOTH PHASES WHILE SAID LIQUIDS REMAIN SEPARATED BY GRAVITY.
Claim 2
Dependent Claim
159 words
A AEROSOL DISPENSING PRESSURE CONTAINER, SAID CONTAINER CONTAINING TWO IMMISCIBLE LIQUID PHASES SEPARTED BY GRAVITY, ONE OF SAID PHASES BEING OF AQUEOUS NATURE AND THE OTHER ONE OF ORGANIC NATURE, SAID ORGANIC PHASE CONSISTING OF A LIQUEFIED PROPELLANT GAS HAVING AN ACTIVE AGENT DISSOLVED THEREIN, SAID CONTAINER COMPRISING ALSO A DISPENSING DEVICE MOUNTED THEREON, SAID DEVICE EMBODYING A STOPPER VALVE AND AN EDUCATION TUBE HOUSED WITHIN SAID CONTAINER AND HAVING AN OPENING AT EACH END THEREOF, ONE OF SAID OPENINGS BEING FITTED ON SAID STOPPER VALVE WHEREAS THE OTHER ONE IS FREELY OPEN, SAID TUBE DIPPING INTO BOTH LIQUID PHASES, AND WITHIN SAID EDUCTION TUBE IS PROVIDED WITH A SUCCESSION OF LATERAL PERFORATIONS LONGITUDINALLY SPACED ON SAID TUBE BETWEEN THE OPPOSITE END OF THE TUBE, WITH SOME OF SAID PERFORATIONS BEING IMMERSED IN SAID AQUEOUS PHASE AND OTHERS IN SAID ORGANIC PHASE TO PERMIT SIMULTANEOUS EDUCTION OF THE LIQUIDS OF BOTH PHASES WHILE SAID LIQUIDS REMAIN SEPARATED BY GRAVITY.
Claim 3
Dependent Claim
100 words
AN AEROSOL CONTAINER HAVING AT LEAST TWO IMMISCIBLE LIQUID PHASES FORMING SEPARATE LAYERS IN SAID CONTAINER, AND SAID CONTAINER HAVING A DISPENSING DEVICE MOUNTED ON SAID CONTAINER, SAID DISPENSING DEVICE COMPRISING A VALVE UNIT AND AN EDUCTION TUBE CONNECTED AT ONE END TO SAID VALVE UNIT AND EXTENDING DOWNWARDLY FROM THE VALVE CONNECTION TO THE VICINITY OF THE BOTTOM OF THE CONTAINER AND THEN UPWARDLY TO THE UPPER ELEVATION OF THE LIQUID CONTENTS, SAID EDUCTION TUBE HAVING A PLURALITY OF PERFORATIONS ALONG THE UPWARD EXTENSION OF THE EDUCTION TUBE AND BEING WITHOUT PERFORATIONS ALONG THE DOWNWARD EXTENSION OF THE TUBE.
Claim 4
Dependent Claim
100 words
AN AEROSOL CONTAINER HAVING AT LEAST TWO IMMISCIBLE LIQUID PHASES FORMING SEPARATE LAYERS IN SAID CONTAINER, AND SAID CONTAINER HAVING A DISPENSING DEVICE MOUNTED ON SAID CONTAINER, SAID DISPENSING DEVICE COMPRISING A VALVE UNIT AND AN EDUCTION TUBE CONNECTED AT ONE END TO SAID VALVE UNIT AND EXTENDING DOWNWARDLY FROM THE VALVE CONNECTION TO THE VICINITY OF THE BOTTOM OF THE CONTAINER AND THEN UPWARDLY TO THE UPPER ELEVATION OF THE LIQUID CONTENTS, SAID EDUCTION TUBE HAVING A PLURALITY OF PERFORATIONS ALONG THE UPWARD EXTENSION OF THE EDUCTION TUBE AND BEING WITHOUT PERFORATIONS ALONG THE DOWNWARD EXTENSION OF THE TUBE.
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |