US3219059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing valve
Assignee: Individual
•
Filing: 1962-04-18
•
Granted: 1965-11-23
•
Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Williams
- 👤 Charles H Jansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:55
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/122; F16K31/1221; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734; Y10T137/86759; Y10T137/86791
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A VALVE FOR DISPENSING LIQUIDS WHICH COMPRISES: (A) A VALVE BODY HAVING (1) AN ELONGATED PASSAGEWAY THEREIN WITH (A) FIRST AND SECOND ENDS AND (B) A RECESSED PORTION INTERMEDIATE OF ITS ENDS, (2) FLUID INLET MEANS COMMUNICATING WITH SAID RECESSED PORTION OF SAID PASSAGEWAY, AND (3) FLUID OUTLET MEANS COMMUNICATING WITH SAID FIRST END OF SAID PASSAGEWAY; (B) A SLEEVE MOUNTED IN SAID PASSAGEWAY EXTENDING THROUGH SAID RECESSED PORTION AND HAVING (1) AN OPEN END COMMUNICATING WITH SAID OUTLET MEANS AND (2) A PLURALITY OF AXIALLY AND CIRCUMFERENTIALLY DISTRIBUTED PERFORATION THEREIN COMMUNICATING WITH SAID RECESSED PORTION AND FACING TOWARD EACH OTHER ACROSS SAID PASSAGEWAY; (C) MEANS PROVIDING FLUID SEALS BETWEEN SAID BODY AND SAID SLEEVE ON BOTH SIDES OF SAID RECESSED PORTION; (D) A PISTON MOUNTED IN SAID SLEEVE AND HAVING (1) FIRST AND SECOND ENDS ADJACENT TO SAID FIRST AND SECOND ENDS OF SAID BODY RESPECTIVELY AND (2) FLUID SEAL MEANS ON ITS FIRST END PROVIDING A FLUID SEAL BETWEEN SAID PISTON AND SAID SLEEVE; (E) MEANS PROVIDING A FLUID SEAL BETWEEN SAID PISTON AND SAID SLEEVE IN AN AREA BETWEEN SAID PERFORATIONS AND SAID SECOND END OF SAID BODY; (F) SPRING MEANS ENGAGING SAID SECOND END OF SAID PISTON AND RESILIENTLY URGING SAID PISTON TOWARD SAID FIRST END OF SAID BODY, AND
Claim 2
Dependent Claim
214 words
A VALVE FOR DISPENSING LIQUIDS WHICH COMPRISES: (A) A VALVE BODY HAVING (1) AN ELONGATED PASSAGEWAY THEREIN WITH (A) FIRST AND SECOND ENDS AND (B) A RECESSED PORTION INTERMEDIATE OF ITS ENDS, (2) FLUID INLET MEANS COMMUNICATING WITH SAID RECESSED PORTION OF SAID PASSAGEWAY, AND (3) FLUID OUTLET MEANS COMMUNICATING WITH SAID FIRST END OF SAID PASSAGEWAY; (B) A SLEEVE MOUNTED IN SAID PASSAGEWAY EXTENDING THROUGH SAID RECESSED PORTION AND HAVING (1) AN OPEN END COMMUNICATING WITH SAID OUTLET MEANS AND (2) A PLURALITY OF AXIALLY AND CIRCUMFERENTIALLY DISTRIBUTED PERFORATION THEREIN COMMUNICATING WITH SAID RECESSED PORTION AND FACING TOWARD EACH OTHER ACROSS SAID PASSAGEWAY; (C) MEANS PROVIDING FLUID SEALS BETWEEN SAID BODY AND SAID SLEEVE ON BOTH SIDES OF SAID RECESSED PORTION; (D) A PISTON MOUNTED IN SAID SLEEVE AND HAVING (1) FIRST AND SECOND ENDS ADJACENT TO SAID FIRST AND SECOND ENDS OF SAID BODY RESPECTIVELY AND (2) FLUID SEAL MEANS ON ITS FIRST END PROVIDING A FLUID SEAL BETWEEN SAID PISTON AND SAID SLEEVE; (E) MEANS PROVIDING A FLUID SEAL BETWEEN SAID PISTON AND SAID SLEEVE IN AN AREA BETWEEN SAID PERFORATIONS AND SAID SECOND END OF SAID BODY; (F) SPRING MEANS ENGAGING SAID SECOND END OF SAID PISTON AND RESILIENTLY URGING SAID PISTON TOWARD SAID FIRST END OF SAID BODY, AND
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |