US3171935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat responsive device
Assignee: Star Sprinkler Corp
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Filing: 1961-12-29
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Granted: 1965-03-02
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Fred A Gloeckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:25
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/74; H01H37/76; H01H37/767
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A FIXED TEMPERATURE RESPONSIVE DEVICE FOR CONTROLLING AN ELECTRIC CIRCUIT COMPRISING A BASE HAVING FIXED ELECTRIC CONTACT MEMBERS AND A MOVABLE ELECTRIC CONTACT MEMBER, A RESILIENTLY URGED PIN ON WHICH SAID MOVABLE CONTACT MEMBER IS MOUNTED, SAID BASE HAVING A CENTRAL OPENING, A TEMPERATURE RESPONSIVE ELEMENT REMOVABLY CARRIED BY SAID BASE IN SAID OPENING, SAID ELEMENT HAVING EXTERIOR OF SAID BASE A CONTROL PORTION WITH A TRANSVERSE WALL IN ENGAGEMENT WITH SAID PIN, AND A TEMPERATURE RESPONSIVE FUSIBLE CONNECTOR EXTERIORLY OF SAID BASE FOR NORMALLY RETAINING SAID WALL AT A PREDETERMINED CONTACT POSITIONING LOCATION.
Claim 2
Dependent Claim
94 words
A FIXED TEMPERATURE RESPONSIVE DEVICE FOR CONTROLLING AN ELECTRIC CIRCUIT COMPRISING A BASE HAVING FIXED ELECTRIC CONTACT MEMBERS AND A MOVABLE ELECTRIC CONTACT MEMBER, A RESILIENTLY URGED PIN ON WHICH SAID MOVABLE CONTACT MEMBER IS MOUNTED, SAID BASE HAVING A CENTRAL OPENING, A TEMPERATURE RESPONSIVE ELEMENT REMOVABLY CARRIED BY SAID BASE IN SAID OPENING, SAID ELEMENT HAVING EXTERIOR OF SAID BASE A CONTROL PORTION WITH A TRANSVERSE WALL IN ENGAGEMENT WITH SAID PIN, AND A TEMPERATURE RESPONSIVE FUSIBLE CONNECTOR EXTERIORLY OF SAID BASE FOR NORMALLY RETAINING SAID WALL AT A PREDETERMINED CONTACT POSITIONING LOCATION.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |