US3221769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Functional control valves for pneumatic prostheses
Assignee: Individual
•
Filing: 1963-05-29
•
Granted: 1965-12-07
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Edward A Kiessling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:49
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/54; A61F2/58; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86558; Y10T137/87169
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A VALVE MODULE COMPRISING: (A) A VALVE BODY HAVING ENTRY AND EXIT PORTS AND A PASSAGE INTERCONNECTING SAID PORTS; (B) YIELDABLE SEALING MEANS WITHIN SAID PASSAGE; AND (C) ACTUATOR ROD MEANS MOUNTED IN SAID VALVE BODY, SAID ROD MEANS EXTENDING THROUGH AND SEALINGLY ENGAGING SAID SEALING MEANS WHEN IN THE RELAXED POSITION, SAID ROD MEANS ALSO EXTENDING OUTWARDLY FROM SAID BODY AND BEING ASSOCIATED WITH SAID SEALING MEANS SO THAT SAID ROD MEANS WHEN DEFLECTED WILL DIS-
Claim 2
Dependent Claim
77 words
A VALVE MODULE COMPRISING: (A) A VALVE BODY HAVING ENTRY AND EXIT PORTS AND A PASSAGE INTERCONNECTING SAID PORTS; (B) YIELDABLE SEALING MEANS WITHIN SAID PASSAGE; AND (C) ACTUATOR ROD MEANS MOUNTED IN SAID VALVE BODY, SAID ROD MEANS EXTENDING THROUGH AND SEALINGLY ENGAGING SAID SEALING MEANS WHEN IN THE RELAXED POSITION, SAID ROD MEANS ALSO EXTENDING OUTWARDLY FROM SAID BODY AND BEING ASSOCIATED WITH SAID SEALING MEANS SO THAT SAID ROD MEANS WHEN DEFLECTED WILL DIS-
References Cited (Backward Citations)
US2261444A
Cited
US2393805A
Cited
US2323947A
Cited
US2763406A
Cited
US2866478A
Cited
US2781791A
Cited
US2946555A
Cited
US3025878A
Cited
US3056421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |