US3210748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sensitive alarm device
Assignee: Sunoco Inc
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Filing: 1962-11-27
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Granted: 1965-10-05
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Onuffer Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:32
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A TEMPERATURE-RESPONSIVE ALARM DEVICE COMPRISING A SUPPORTING MEMBER HAVING AN APERTURE THEREIN; A SPHERICAL BALL SUPPORTED BY SAID MEMBER, SAID BALL BEING ADAPTED TO PASS THROUGH SAID APERTURE; TEMPERATURE-RESPONSIVE MEANS EXPOSED TO THE AMBIENT FOR PRODUCING RELATIVE ANGULAR MOVEMENT BETWEEN SAID BALL AND SAID APERTURE IN RESPONSE TO EACVH AND EVERY VARIATION OF THE AMBIENT TEMPERATURE, SAID BALL AND SAID APERTURE COMING INTO VERTICAL ALIGNMENT AT A PRESET TEMPERATURE, SO THAT SAID BALL CAN PASS DOWNWARDLY THROUGH SAID APERTURE; SAID
Claim 2
Dependent Claim
80 words
A TEMPERATURE-RESPONSIVE ALARM DEVICE COMPRISING A SUPPORTING MEMBER HAVING AN APERTURE THEREIN; A SPHERICAL BALL SUPPORTED BY SAID MEMBER, SAID BALL BEING ADAPTED TO PASS THROUGH SAID APERTURE; TEMPERATURE-RESPONSIVE MEANS EXPOSED TO THE AMBIENT FOR PRODUCING RELATIVE ANGULAR MOVEMENT BETWEEN SAID BALL AND SAID APERTURE IN RESPONSE TO EACVH AND EVERY VARIATION OF THE AMBIENT TEMPERATURE, SAID BALL AND SAID APERTURE COMING INTO VERTICAL ALIGNMENT AT A PRESET TEMPERATURE, SO THAT SAID BALL CAN PASS DOWNWARDLY THROUGH SAID APERTURE; SAID
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |