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Patent US3702669A successfully refreshed from Google Patents.
US3702669A
Expired / Lapsed
US
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Aerosol container
Assignee: Individual
•
Filing: 1970-02-05
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Granted: 1972-11-14
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Expires: 1990-02-05
Abstract
Abstract AN AEROSOL CONTAINER WITH AN INNER AUXILLARY PLASTIC CONTAINER INTERNAL TO THE CUSTOMARY METAL CAN. A PREFORMED PLASTIC DISC CONTOURED TO FIT AGAINST THE INSIDE OF THE USUAL MOUNTING CUP OF THE VALVE IS CRIMPED INTO THE VALVE OPENING OF THE CAN TO ISOLATE ALL METAL SURFACES FROM THE PRODUCT WITHIN THE CONTAINER. THE DISC MAY BE USED DECORATIVELY OR MAY HAVE AN ANNULAR INNER GROOVE TO PROVIDE A SAFETY RELEASE FOR EXCESS PRESSURE OR BE PROVIDED WITH AN INNER ANNULAR PROTRUSION TO HOLD A CONTAINER OF PRODUCT SEPARATE FROM THE PROPELLANT WITHIN THE CAN.
Inventors
- 👤 Ronald F Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:20
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/38; B65D83/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |