US3326469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying dispenser with separate holders for material and carrier fluid
Assignee: Precision Valve Corp
•
Filing: 1966-01-20
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Granted: 1967-06-20
•
Expires: 1986-01-20
Abstract
No abstract record available.
Inventors
- 👤 Abplanalp Robert Henry
- 👤 Focht John Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:03
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/14; B; B05; B05B; B05B7/00; B05B7/02; B05B7/06; B05B7/062; B05B7/063; B05B7/066; B65; B65D; B65D83/00; B65D83/14; B65D83/16; B65D83/162; B65D83/60; B65D83/66; B65D83/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN AN AEROSOL DISPENSER OF THE ISOLATION TYPE HAVING A PRODUCT CONTAINER, A SEPARATE PROPELLANT CONTAINER, A DISCHARGE EJECTOR, MEANS ESTABLISHING FLOW LINES CONNECTING THE EJECTOR RESPECTIVELY WITH SAID CONTAINERS, AND A VALVE FOR CONTROLLING FLOW OF PROPELLANT FROM THE CONTAINER TO SAID EJECTOR, THE IMPROVEMENT WHICH COMPRISES A STRUCTURAL ARRANGEMENT BY WHICH THE FLOW LINE FROM SAID PRODUCT CONTAINER TO SAID EJECTOR PASSES THROUGH SAID PROPELLANT CONTAINER TO PERMIT HEAT EXCHANGE BETWEEN DISCHARGING PRODUCT AND RESIDUAL PROPELLANT WITHOUT ADMIXTURE OF THE TWO MATERIALS.
Claim 2
Dependent Claim
84 words
IN AN AEROSOL DISPENSER OF THE ISOLATION TYPE HAVING A PRODUCT CONTAINER, A SEPARATE PROPELLANT CONTAINER, A DISCHARGE EJECTOR, MEANS ESTABLISHING FLOW LINES CONNECTING THE EJECTOR RESPECTIVELY WITH SAID CONTAINERS, AND A VALVE FOR CONTROLLING FLOW OF PROPELLANT FROM THE CONTAINER TO SAID EJECTOR, THE IMPROVEMENT WHICH COMPRISES A STRUCTURAL ARRANGEMENT BY WHICH THE FLOW LINE FROM SAID PRODUCT CONTAINER TO SAID EJECTOR PASSES THROUGH SAID PROPELLANT CONTAINER TO PERMIT HEAT EXCHANGE BETWEEN DISCHARGING PRODUCT AND RESIDUAL PROPELLANT WITHOUT ADMIXTURE OF THE TWO MATERIALS.
References Cited (Backward Citations)
US2733102A
Cited
US613222A
Cited
US1781523A
Cited
US2531650A
Cited
US2689150A
Cited
US2823953A
Cited
US3004718A
Cited
FR1208586A
Cited
US3040991A
Cited
US2973885A
Cited
US3162332A
Cited
US3217936A
Cited
US3162370A
Cited
US3202362A
Cited
US3233780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |