Patent US3261557A successfully refreshed from Google Patents.
US3261557A
Expired / Lapsed
US
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Aerosol dispenser
Assignee: Seaquist Perfect Dispensing LLC
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Filing: 1963-12-11
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Granted: 1966-07-19
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Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 Ii James E Greenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:51
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/16; B65D83/162; B05; B05B; B05B15/00; B05B15/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A BUTTON FOR AN AEROSOL DISPENSER CONTAINING A PRODUCT TO BE DISPENSED AND A PROPELLANT GAS UNDER SUPER ATMOSPHERIC PRESSURE TO FORCE SAID PRODUCT FROM SAID DISPENSER UPON ACTUATION OF SAID BUTTON, THE COMBINATION OF A PASSAGE IN THE BUTTON ADAPTED FOR CONNECTION TO SAID DISPENSER, AND A DISCHARGE PORT THROUGH SAID BUTTON AND CONNECTED TO SAID PASSAGE, SAID PORT HAVING A UNIFORM DIAMETER WITH AN ANNULAR KNIFE-EDGE SURFACE DEFINING ITS RADIALLY OUTER PERIMETER AT THE END THEREOF REMOTE FROM SAID PASSAGE WHEREBY BUILD-UP OF DROPS OF LIQUID AT SAID KNIFE EDGE IS PREVENTED.
Claim 2
Dependent Claim
95 words
IN A BUTTON FOR AN AEROSOL DISPENSER CONTAINING A PRODUCT TO BE DISPENSED AND A PROPELLANT GAS UNDER SUPER ATMOSPHERIC PRESSURE TO FORCE SAID PRODUCT FROM SAID DISPENSER UPON ACTUATION OF SAID BUTTON, THE COMBINATION OF A PASSAGE IN THE BUTTON ADAPTED FOR CONNECTION TO SAID DISPENSER, AND A DISCHARGE PORT THROUGH SAID BUTTON AND CONNECTED TO SAID PASSAGE, SAID PORT HAVING A UNIFORM DIAMETER WITH AN ANNULAR KNIFE-EDGE SURFACE DEFINING ITS RADIALLY OUTER PERIMETER AT THE END THEREOF REMOTE FROM SAID PASSAGE WHEREBY BUILD-UP OF DROPS OF LIQUID AT SAID KNIFE EDGE IS PREVENTED.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |