Patent US3291216A successfully refreshed from Google Patents.
US3291216A
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Thermal trigger and member triggered thereby
Assignee: Elmwood Sensors Inc
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Filing: 1965-03-11
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Granted: 1966-12-13
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Expires: 1985-03-11
Abstract
No abstract record available.
Inventors
- 👤 Merrill Phillip Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:28
CPC Classifications
A; A62; A62C; A62C37/00; A62C37/08; A62C37/10; A62C37/11; A62C37/12; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
IN COMBINATION: A CYLINDRACEOUS CASING HAVING A CLOSED PELLET RECEIVING BOTTOM AND AN BUSHING RECEIVING UPPER END; A CYLINDRACEOUS EUTECTIC PELLET IN SAID CASING HELD IN SAID PELLET RECEIVING BOTTOM; A PLUNGER IN SAID CASING HAVING A PLUNGER HEAD CONNECTED TRANSVERSELY TO A BOTTOM END OF A LONGITUDINAL PLUNGER SHAFT, WITH THE
Claim 2
Dependent Claim
52 words
IN COMBINATION: A CYLINDRACEOUS CASING HAVING A CLOSED PELLET RECEIVING BOTTOM AND AN BUSHING RECEIVING UPPER END; A CYLINDRACEOUS EUTECTIC PELLET IN SAID CASING HELD IN SAID PELLET RECEIVING BOTTOM; A PLUNGER IN SAID CASING HAVING A PLUNGER HEAD CONNECTED TRANSVERSELY TO A BOTTOM END OF A LONGITUDINAL PLUNGER SHAFT, WITH THE
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US2129012A
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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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |