Patent US2761593A successfully refreshed from Google Patents.
US2761593A
Expired / Lapsed
US
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Valve for pressurized containers
Assignee: NAT DAIRY RES LAB Inc
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Filing: 1951-02-15
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Granted: 1956-09-04
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Expires: 1971-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Newton E Spiess
- 👤 Henry L Henze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:35
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; B65D83/16; B65D83/164; B65D83/20; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/145; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7889; Y10T137/789
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A CLOSURE AND VALVE MECHANISM FOR A CONTAINER, COMPRISING A RESILIENT BODY PORTION ADAPTED TO BE RECEIVED WITHIN AN APERTURE IN A CONTAINER FOR MOVEMENT THEREIN AND DIMENSIONED TO PERMIT PASSAGE OF FLUID THROUGH THE APERTURE AROUND THE BODY, A SHOULDER ON THE BODY AND ADAPTED NORMALLY TO BE MOVABLY SEATED AGAINST ONE SIDE OF A WALL OF THE CONTAINER ADJACENT THE APERTURE IN FLUID SEALING RELATIONSHIP, A SKIRT FORMED ON THE BODY ADJACENT THE OTHER SIDE OF THE WALL AND SPACED FROM THE SHOULDER TO FORM AN ANNULAR CHAMBER ON SAID OTHER SIDE OF THE CONTAINER WALL, SAID SKIRT BEING FORMED WITH A CONTINUOUS SURFACE ENGAGING THE OTHER SIDE OF THE CONTAINER IN FLUID SEALING RELATIONSHIP, THE SPACING OF THE CONTINUOUS SURFACE OF THE SKIRT AND THE SHOULDER BEING SUCH THAT THE BODY PORTION IS MAINTAINED IN TENSION TO EFFECT THE SEALING RELATIONSHIP BETWEEN THE SHOULDER AND THE ONE WALL OF THE CONTAINER AND BETWEEN THE CONTINUOUS SURFACE AND THE OTHER WALL OF THE CONTAINER AND AN OUTLET FOR THE CHAMBER.
Claim 2
Dependent Claim
172 words
A CLOSURE AND VALVE MECHANISM FOR A CONTAINER, COMPRISING A RESILIENT BODY PORTION ADAPTED TO BE RECEIVED WITHIN AN APERTURE IN A CONTAINER FOR MOVEMENT THEREIN AND DIMENSIONED TO PERMIT PASSAGE OF FLUID THROUGH THE APERTURE AROUND THE BODY, A SHOULDER ON THE BODY AND ADAPTED NORMALLY TO BE MOVABLY SEATED AGAINST ONE SIDE OF A WALL OF THE CONTAINER ADJACENT THE APERTURE IN FLUID SEALING RELATIONSHIP, A SKIRT FORMED ON THE BODY ADJACENT THE OTHER SIDE OF THE WALL AND SPACED FROM THE SHOULDER TO FORM AN ANNULAR CHAMBER ON SAID OTHER SIDE OF THE CONTAINER WALL, SAID SKIRT BEING FORMED WITH A CONTINUOUS SURFACE ENGAGING THE OTHER SIDE OF THE CONTAINER IN FLUID SEALING RELATIONSHIP, THE SPACING OF THE CONTINUOUS SURFACE OF THE SKIRT AND THE SHOULDER BEING SUCH THAT THE BODY PORTION IS MAINTAINED IN TENSION TO EFFECT THE SEALING RELATIONSHIP BETWEEN THE SHOULDER AND THE ONE WALL OF THE CONTAINER AND BETWEEN THE CONTINUOUS SURFACE AND THE OTHER WALL OF THE CONTAINER AND AN OUTLET FOR THE CHAMBER.
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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |