US3138304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly for aerosol containers
Assignee: Uniplast Dr Raehs KG
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Filing: 1962-06-12
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Granted: 1964-06-23
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Expires: 1982-06-12
Abstract
No abstract record available.
Inventors
- 👤 Raehs Wilhelm Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:58
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A VALVE ASSEMBLY FOR THE CONTROLLED DISCHARGE OF A FLUID UNDER PRESSURE FROM A STORAGE CONTAINER THEREFOR, COMPRISING A SUPPORT WITH A TUBULAR BOSS AND A SURROUNDING GENERALLY FRUSTOCONICAL SEATING SURFACE CONVERGING TOWARD SAID BOSS, A VALVE BODY DISPLACEABLE RELATIVELY TO SAID SUPPORT, SAID VALVE BODY INCLUDING A GENERALLY FRUSTOCONICAL DIAPHRAGM ADJACENT SAID SEATING SURFACE AND A TAPERING EXTENSION OF SAID DIAPHRAGM PROJECTING THROUGH SAID BOSS, SAID DIAPHRAGM BEING EXPOSED TO THE FLUID IN SAID CONTAINER FOR BEING NORMALLY PRESSED THEREBY AGAINST SAID SEATING SURFACE, AND A VALVE CAP WITH A DISPLACEABLE PORTION OVERLYING SAID EXTENSION, SAID CAP BEING PROVIDED WITH AN OUTLET, SAID DIAPHRAGM HAVING AN APERTURED MIDPORTION OPENING INTO SAID BOSS UPON INWARD DISPLACEMENT OF SAID EXTENSION THROUGH THE INTERMEDIARY OF SAID DISPLACEABLE PORTION WHEREBY FLUID FROM SAID CONTAINER MAY PASS FROM SAID BOSS TOWARD SAID OUTLET.
Claim 2
Dependent Claim
139 words
A VALVE ASSEMBLY FOR THE CONTROLLED DISCHARGE OF A FLUID UNDER PRESSURE FROM A STORAGE CONTAINER THEREFOR, COMPRISING A SUPPORT WITH A TUBULAR BOSS AND A SURROUNDING GENERALLY FRUSTOCONICAL SEATING SURFACE CONVERGING TOWARD SAID BOSS, A VALVE BODY DISPLACEABLE RELATIVELY TO SAID SUPPORT, SAID VALVE BODY INCLUDING A GENERALLY FRUSTOCONICAL DIAPHRAGM ADJACENT SAID SEATING SURFACE AND A TAPERING EXTENSION OF SAID DIAPHRAGM PROJECTING THROUGH SAID BOSS, SAID DIAPHRAGM BEING EXPOSED TO THE FLUID IN SAID CONTAINER FOR BEING NORMALLY PRESSED THEREBY AGAINST SAID SEATING SURFACE, AND A VALVE CAP WITH A DISPLACEABLE PORTION OVERLYING SAID EXTENSION, SAID CAP BEING PROVIDED WITH AN OUTLET, SAID DIAPHRAGM HAVING AN APERTURED MIDPORTION OPENING INTO SAID BOSS UPON INWARD DISPLACEMENT OF SAID EXTENSION THROUGH THE INTERMEDIARY OF SAID DISPLACEABLE PORTION WHEREBY FLUID FROM SAID CONTAINER MAY PASS FROM SAID BOSS TOWARD SAID OUTLET.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |