US3231193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gas flow control device
Assignee: Deutsch Co
•
Filing: 1964-04-20
•
Granted: 1966-01-25
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Charles D Coffey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:17
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A CONDITION RESPONSIVE DEVICE COMPRISING A ROD AND TUBE THERMOSTAT, ADDITIONAL THERMOSTATIC MEANS CONCENTRICALLY ARRANGED WITH RESPECT TO THE ROD AND TUBE THERMOSTAT, SAID ADDITIONAL THERMOSTATIC MEANS COMPRISING AN ELEMENT BETWEEN THE ROD AND TUBE OF THE ROD AND TUBE THERMOSTAT, MEANS ACTUATABLE BY THE ROD AND TUBE THERMOSTAT, AND MEANS ACTUATABLE BY SAID ADDITIONAL THERMOSTATIC MEANS.
Claim 2
Dependent Claim
57 words
A CONDITION RESPONSIVE DEVICE COMPRISING A ROD AND TUBE THERMOSTAT, ADDITIONAL THERMOSTATIC MEANS CONCENTRICALLY ARRANGED WITH RESPECT TO THE ROD AND TUBE THERMOSTAT, SAID ADDITIONAL THERMOSTATIC MEANS COMPRISING AN ELEMENT BETWEEN THE ROD AND TUBE OF THE ROD AND TUBE THERMOSTAT, MEANS ACTUATABLE BY THE ROD AND TUBE THERMOSTAT, AND MEANS ACTUATABLE BY SAID ADDITIONAL THERMOSTATIC MEANS.
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |