US2736604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally responsive device
Assignee: Individual
•
Filing: 1950-05-15
•
Granted: 1956-02-28
•
Expires: 1970-05-15
Abstract
No abstract record available.
Inventors
- 👤 John C Albright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:29
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/32; G01K5/44; Y; Y10; Y10S; Y10S236/00; Y10S236/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1521985A
Cited
GB191225265A
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GB327978A
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FR702868A
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US1964745A
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US2259846A
Cited
GB531280A
Cited
US2310519A
Cited
US2368181A
Cited
US2373767A
Cited
US2364125A
Cited
GB621261A
Cited
US2534497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |