Patent US3855893A successfully refreshed from Google Patents.
Patent US3420105A successfully refreshed from Google Patents.
US3420105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal sensitive element
Assignee: Vernay Laboratories Inc
•
Filing: 1966-06-08
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Granted: 1969-01-07
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Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 James S Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:35
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/32; G01K5/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A THERMAL POWER UNIT COMPRISING: A CASING CONTAINING A THERMALLY EXPANSIBLE MATERIAL, A REILIENT BOOT FITTED WITHIN THE CASING IN OPERABLE CONTACT WITH THE THERMALLY EXPANSIBLE MATERIAL, A WELL FORMED WITHIN THE BOOT FOR RECEIVING A RELATIVELY EXTENSIBLE POWER POSITION THEREIN. SAID WELL HAVING AN INNER CROSS-SECTIONAL PROFILE SUBSTANTIALLY TRIANGULAR IN CONFIGURATION, AND
Claim 2
Dependent Claim
53 words
A THERMAL POWER UNIT COMPRISING: A CASING CONTAINING A THERMALLY EXPANSIBLE MATERIAL, A REILIENT BOOT FITTED WITHIN THE CASING IN OPERABLE CONTACT WITH THE THERMALLY EXPANSIBLE MATERIAL, A WELL FORMED WITHIN THE BOOT FOR RECEIVING A RELATIVELY EXTENSIBLE POWER POSITION THEREIN. SAID WELL HAVING AN INNER CROSS-SECTIONAL PROFILE SUBSTANTIALLY TRIANGULAR IN CONFIGURATION, AND
References Cited (Backward Citations)
US3064477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |