US3082789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control devices for mixing and/or dispensing apparatus
Assignee: Individual
•
Filing: 1958-10-06
•
Granted: 1963-03-26
•
Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Welty Frank
- 👤 Welty Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0081; B67D1/0082; B67D1/0083; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
APPARATUS FOR DISPENSING A LIQUID FROM A PRESSURIZED SOURCE OF SAID LIQUID COMPRISING A TUBULAR HOUSING ADAPTED TO BE CONNECTED AT ONE END WITH SAID SOURCE AND HAVING A CYLINDRICAL OUTER SURFACE, MEANS WITHIN SAID HOUSING PROVIDING AN ORIFICE FOR THE PASSAGE OF LIQUID, MEANS WITHIN SAID HOUSING TO AUTOMATICALLY CONTROL THE EFFECTIVE SIZE OF SAID ORIFICE IN RESPONSE TO VARIATION IN PRESSURE OF SAID SOURCE TO THUS EFFECT A SUBSTANTIALLY CONTINUOUS RATE OF LIQUID FLOW THROUGH SAID HOUSING, A CUP RECEIVED OVER THE OPPOSITE END OF SAID TUBULAR HOUSING AND HAVING AN ELONGATED CYLINDRICAL SIDE WALL SPACED CLOSELY OUTWARD FROM THE CYLINDRICAL OUTER SURFACE OF THE HOUSING TO PROVIDE A LIQUID TRAP AND A RESTRICTED PASSAGE FOR THE OUTFLOW OF LIQUID, AND MEANS PROVIDING A LIQUID PASSAGE FROM SAID ORIFICE TO THE CLOSED END OF SAID CUP.
Claim 2
Dependent Claim
138 words
APPARATUS FOR DISPENSING A LIQUID FROM A PRESSURIZED SOURCE OF SAID LIQUID COMPRISING A TUBULAR HOUSING ADAPTED TO BE CONNECTED AT ONE END WITH SAID SOURCE AND HAVING A CYLINDRICAL OUTER SURFACE, MEANS WITHIN SAID HOUSING PROVIDING AN ORIFICE FOR THE PASSAGE OF LIQUID, MEANS WITHIN SAID HOUSING TO AUTOMATICALLY CONTROL THE EFFECTIVE SIZE OF SAID ORIFICE IN RESPONSE TO VARIATION IN PRESSURE OF SAID SOURCE TO THUS EFFECT A SUBSTANTIALLY CONTINUOUS RATE OF LIQUID FLOW THROUGH SAID HOUSING, A CUP RECEIVED OVER THE OPPOSITE END OF SAID TUBULAR HOUSING AND HAVING AN ELONGATED CYLINDRICAL SIDE WALL SPACED CLOSELY OUTWARD FROM THE CYLINDRICAL OUTER SURFACE OF THE HOUSING TO PROVIDE A LIQUID TRAP AND A RESTRICTED PASSAGE FOR THE OUTFLOW OF LIQUID, AND MEANS PROVIDING A LIQUID PASSAGE FROM SAID ORIFICE TO THE CLOSED END OF SAID CUP.
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |