US2597665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple
Assignee: REVERE Corp OF AMERICA Inc
•
Filing: 1950-09-02
•
Granted: 1952-05-20
•
Expires: 1970-09-02
Abstract
No abstract record available.
Inventors
- 👤 Malcolm B Nicholls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:01
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04; G01K7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US834162A
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US935154A
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US1289116A
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US1693130A
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US1881444A
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US2177046A
Cited
US2216375A
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US2445159A
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US2416864A
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US2470881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |