US3373765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric reset for pneumatic sensor control
Assignee: Controls Company of America
•
Filing: 1965-10-23
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Granted: 1968-03-19
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Lourdes V Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:30
CPC Classifications
F; F23; F23N; F23N1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A CONTROL SYSTEM FOR REGULATING GASEOUS FLOW COMPRISING: FIRST AND SECOND CONDUITS; A FIRST RESTRICTION BETWEEN THE CONDUITS; A SECOND RESTRICTION ON THE OUTLET OF THE SECOND CONDUIT; A PRESSURE REGULATED GAS SUPPLY TO THE FIRST CONDUIT; A FIRST VALVE IN THE FIRST CONDUIT OPERATIVE WHEN CLOSED TO INTERRUPT FLOW THROUGH THE FIRST CONDUIT;
Claim 2
Dependent Claim
54 words
A CONTROL SYSTEM FOR REGULATING GASEOUS FLOW COMPRISING: FIRST AND SECOND CONDUITS; A FIRST RESTRICTION BETWEEN THE CONDUITS; A SECOND RESTRICTION ON THE OUTLET OF THE SECOND CONDUIT; A PRESSURE REGULATED GAS SUPPLY TO THE FIRST CONDUIT; A FIRST VALVE IN THE FIRST CONDUIT OPERATIVE WHEN CLOSED TO INTERRUPT FLOW THROUGH THE FIRST CONDUIT;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |