US3189231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol dispenser with sponge follower and method of making same
Assignee: FMC Corp
•
Filing: 1963-01-16
•
Granted: 1965-06-15
•
Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Kibbel
- 👤 James E Kressbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:07
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/60; B65D83/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PRESSURIZED DISPENSER COMPRISING A CONTAINER, PREDUCT TO BE DISPENSED, A VALVE COMMUNICATION WITH SAID PRODUCT FOR CONTROLLED DISPENSING THEREOF AND A PRESSURIZING SYSTEM FOR EXERTING PRESSURE ON SAID PRODUCT TO BE DISPENSED THROUGH SAID VALVE UPON OPENING THEREOF, IN WHICH THERE IS PROVIDED AS SAID PRESSURIZING SYSTEM A PRESSURIZATION AND PISTON UNIT HAVING A SEALED OUTER BAG OF RESILIENT GAS-CONTAINING MATERIAL HAVING THE GENERAL DIAMETER OF THE INSIDE OF SAID CONTAINER, AND WITHIN SAID BAG A RESILIENT FOAM BODY OF A SHAPE AND SIZE TO PRESS THE BAG INTO CONTACT WITH THE INSIDE OF SAID CONTAINER, AND ON THE SIDE OF THE FOAM BODY AWAY FROM THE PRODUCT TO THE DISPENSED A GAS IN AN AMOUNT SUFFICIENT TO INFLATE SAID BAG AND TO CREATE A DISPENSING PRESSURE ON SAID PRODUCT THROUGH SAID BODY AND SAID BAG.
Claim 2
Dependent Claim
137 words
A PRESSURIZED DISPENSER COMPRISING A CONTAINER, PREDUCT TO BE DISPENSED, A VALVE COMMUNICATION WITH SAID PRODUCT FOR CONTROLLED DISPENSING THEREOF AND A PRESSURIZING SYSTEM FOR EXERTING PRESSURE ON SAID PRODUCT TO BE DISPENSED THROUGH SAID VALVE UPON OPENING THEREOF, IN WHICH THERE IS PROVIDED AS SAID PRESSURIZING SYSTEM A PRESSURIZATION AND PISTON UNIT HAVING A SEALED OUTER BAG OF RESILIENT GAS-CONTAINING MATERIAL HAVING THE GENERAL DIAMETER OF THE INSIDE OF SAID CONTAINER, AND WITHIN SAID BAG A RESILIENT FOAM BODY OF A SHAPE AND SIZE TO PRESS THE BAG INTO CONTACT WITH THE INSIDE OF SAID CONTAINER, AND ON THE SIDE OF THE FOAM BODY AWAY FROM THE PRODUCT TO THE DISPENSED A GAS IN AN AMOUNT SUFFICIENT TO INFLATE SAID BAG AND TO CREATE A DISPENSING PRESSURE ON SAID PRODUCT THROUGH SAID BODY AND SAID BAG.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |