US3083693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-port valve assembly
Assignee: Individual
•
Filing: 1958-09-17
•
Granted: 1963-04-02
•
Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Kunz Robert Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:08
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/078; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A VALVE OF THE CHARACTER DESCRIBED, A MULTI-CHAMBER BODY MEMBER, A PIVOTED VALVE ELEMENT ROTATABLE TO DIFFERENT OPERATIVE POSITIONS RELATIVE TO SAID BODY MEMBER, A PRESSURE SENSITIVE ELEMENT AXIALLY MOVABLE AND RESPONSIVE TO A PRESSURE DIFFERENCE THEREON, MEANS TO ROTATE SAID VALVE ELEMENT, SAID MEANS RESPONSIVE TO AXIAL MOVEMENT OF SAID PRESSURE SENSITIVE ELEMENT, MEANS FORMED AND ARRANGED TO AT TIMES PRODUCE A PRESSURE DIFFERENCE ON SAID PRESSURE SENSITIVE ELEMENT, MEANS FOR REGULATING SAID PRESSURE DIFFERENCE ON SAID PRESSURE SENSI-
Claim 2
Dependent Claim
81 words
IN A VALVE OF THE CHARACTER DESCRIBED, A MULTI-CHAMBER BODY MEMBER, A PIVOTED VALVE ELEMENT ROTATABLE TO DIFFERENT OPERATIVE POSITIONS RELATIVE TO SAID BODY MEMBER, A PRESSURE SENSITIVE ELEMENT AXIALLY MOVABLE AND RESPONSIVE TO A PRESSURE DIFFERENCE THEREON, MEANS TO ROTATE SAID VALVE ELEMENT, SAID MEANS RESPONSIVE TO AXIAL MOVEMENT OF SAID PRESSURE SENSITIVE ELEMENT, MEANS FORMED AND ARRANGED TO AT TIMES PRODUCE A PRESSURE DIFFERENCE ON SAID PRESSURE SENSITIVE ELEMENT, MEANS FOR REGULATING SAID PRESSURE DIFFERENCE ON SAID PRESSURE SENSI-
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |