Patent US3127059A successfully refreshed from Google Patents.
US3127059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:35
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04; B67D1/0412; B67D1/0418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PRESSURIZING UNIT TO BE MOUNTED WITHIN A KEG AT AN APERTURE THEREIN, COMPRISING A SHELL ADAPTED TO EXTEND INWARDLY FROM THE RIM OF THE APERTURE INTO THE KEG, THE CONFINES OF THE SHELL BEING TRAVERSED BY A PASSAGE; A VALVE, NORMALLY RESPONSIVE TO THE PRESSURE IN THE SPACE WITHIN THE KEG, INTERPOSED IN THE PASSAGE; AND A PRESSURE RESERVOIR WITHIN, AND HAVING A WALL OF WHICH AN EXTERNAL PORTION LIES ALONG BUT IS SPACED FROM THE SHELL, THE RESERVOIR COMMUNICATING THROUGH THE PASSAGE AND THE VALVE WITH THE SPACE WITHIN THE KEG BUT BEING SEALED AGAINST COMMUNICATION WITH THE ADJACENT SPACE EXTERNAL TO IT AND WITHIN THE SHELL.
Claim 2
Dependent Claim
109 words
A PRESSURIZING UNIT TO BE MOUNTED WITHIN A KEG AT AN APERTURE THEREIN, COMPRISING A SHELL ADAPTED TO EXTEND INWARDLY FROM THE RIM OF THE APERTURE INTO THE KEG, THE CONFINES OF THE SHELL BEING TRAVERSED BY A PASSAGE; A VALVE, NORMALLY RESPONSIVE TO THE PRESSURE IN THE SPACE WITHIN THE KEG, INTERPOSED IN THE PASSAGE; AND A PRESSURE RESERVOIR WITHIN, AND HAVING A WALL OF WHICH AN EXTERNAL PORTION LIES ALONG BUT IS SPACED FROM THE SHELL, THE RESERVOIR COMMUNICATING THROUGH THE PASSAGE AND THE VALVE WITH THE SPACE WITHIN THE KEG BUT BEING SEALED AGAINST COMMUNICATION WITH THE ADJACENT SPACE EXTERNAL TO IT AND WITHIN THE SHELL.
References Cited (Backward Citations)
US445257A
Cited
US1959815A
Cited
US2501611A
Cited
US2471328A
Cited
US2659629A
Cited
US2812109A
Cited
US2812783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |