Patent US3258163A successfully refreshed from Google Patents.
US3258163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low pressure dispensing container
Assignee: Individual
•
Filing: 1964-08-04
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Granted: 1966-06-28
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth Y Brush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:08
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/60; B65D83/673; B67; B67D; B67D1/00; B67D1/04; B67D1/0412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN EXPENDABLE LOW PRESSURE DISPENSING CONTAINER COMPRISING A MAIN COMPARTMENT FOR THE SUBSTANCE TO BE DISPENSED, A SMALLER GAS COMPARTMENT FOR A PROPELLANT GAS SECURED IN THE LOWER END OF SAID MAIN COMPARTMENT, WITH THE TOP OF SAID GAS COMPARTMENT ACTING AS THE BOTTOM OF THE MAIN COMPARTMENT, A DISPENSER AT THE TOP OF SAID MAIN COMPARTMENT, A DISPENSER AT THE TOP OF SAID SAID DISPENSER TO THE TOP OF THE GAS COMPARTMENT, AND A PRESSURE REDUCING REGULATOR SECURED ON TOP OF THE GAS COMPARTMENT IN THE MAIN COMPARTMENT, WHEREBY A DECREASE OF PRESSURE IN THE MAIN COMPARTMENT CAUSES OPENING OF THE VALVE TO TRANSFER SOME OF THE GAS FROM THE GAS COMPARTMENT TO THE MAIN COMPARTMENT, THE MAIN COMPARTMENTS BEING MADE OF SHEET METAL AND BEING INITIALLY OPEN AT THE BOTTOM, THE GAS COMPARTMENT BEING MADE OF AN INVERTED SHEET METAL CUP, A SHEET METAL BOTTOM FOR BOTH COMPARTMENTS, THE LOWER EDGES OF THE TWO COMPARTMENTS AND THE OUTER EDGE OF THE BOTTOM BEING SO SEAMED TO ONE ANOTHER AS TO LOCK THE PARTS IN POSITION AND TO SEAL BOTH COMPARTMENTS AGAINST LEAKAGE.
Claim 2
Dependent Claim
184 words
AN EXPENDABLE LOW PRESSURE DISPENSING CONTAINER COMPRISING A MAIN COMPARTMENT FOR THE SUBSTANCE TO BE DISPENSED, A SMALLER GAS COMPARTMENT FOR A PROPELLANT GAS SECURED IN THE LOWER END OF SAID MAIN COMPARTMENT, WITH THE TOP OF SAID GAS COMPARTMENT ACTING AS THE BOTTOM OF THE MAIN COMPARTMENT, A DISPENSER AT THE TOP OF SAID MAIN COMPARTMENT, A DISPENSER AT THE TOP OF SAID SAID DISPENSER TO THE TOP OF THE GAS COMPARTMENT, AND A PRESSURE REDUCING REGULATOR SECURED ON TOP OF THE GAS COMPARTMENT IN THE MAIN COMPARTMENT, WHEREBY A DECREASE OF PRESSURE IN THE MAIN COMPARTMENT CAUSES OPENING OF THE VALVE TO TRANSFER SOME OF THE GAS FROM THE GAS COMPARTMENT TO THE MAIN COMPARTMENT, THE MAIN COMPARTMENTS BEING MADE OF SHEET METAL AND BEING INITIALLY OPEN AT THE BOTTOM, THE GAS COMPARTMENT BEING MADE OF AN INVERTED SHEET METAL CUP, A SHEET METAL BOTTOM FOR BOTH COMPARTMENTS, THE LOWER EDGES OF THE TWO COMPARTMENTS AND THE OUTER EDGE OF THE BOTTOM BEING SO SEAMED TO ONE ANOTHER AS TO LOCK THE PARTS IN POSITION AND TO SEAL BOTH COMPARTMENTS AGAINST LEAKAGE.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |