Patent US3307595A successfully refreshed from Google Patents.
US3307595A
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Filling attachment for fluid containers and method for the use thereof
Assignee: ZUNDMETALL VERKAUFS GmbH
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Filing: 1963-07-26
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Granted: 1967-03-07
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Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 Berning Friedel
- 👤 Zorembsky Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:36
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF EQUALIZING THE PRESSURES IN TWO FLUID CONTAINERS WHICH COMPRISES OPENING A RECESSED VALVE IN ONE CONTAINER BY CONTACTING IT WITH A VALVE STEM ON A SECOND CONTAINER, FORCING THE TWO CONTAINERS TOGETHER TO OPEN A VALVE ON THE SECOND CONTAINER, AND SIMULTANEOUSLY FORMING A TIGHT SEAL ABOUT THE RECESSED VALVE BY AXIAL COMPRESSION OF A RESILIENT SLEEVE ON THE VALVE STEM.
Claim 2
Independent Claim
64 words
A METHOD OF EQUALIZING THE PRESSURES IN TWO FLUID CONTAINERS WHICH COMPRISES OPENING A RECESSED VALVE IN ONE CONTAINER BY CONTACTING IT WITH A VALVE STEM ON A SECOND CONTAINER, FORCING THE TWO CONTAINERS TOGETHER TO OPEN A VALVE ON THE SECOND CONTAINER, AND SIMULTANEOUSLY FORMING A TIGHT SEAL ABOUT THE RECESSED VALVE BY AXIAL COMPRESSION OF A RESILIENT SLEEVE ON THE VALVE STEM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |