Patent US2321181A successfully refreshed from Google Patents.
US2321181A
Expired / Lapsed
US
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Thermometer
Assignee: Taylor Instrument Co
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Filing: 1941-07-17
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Granted: 1943-06-08
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Expires: 1961-07-17
Abstract
No abstract record available.
Inventors
- 👤 Brown H Brainard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:10
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/02; G01K5/26; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44017; Y10T24/44026; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-06-07 | 1946-12-07 | 1947-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-07 | 1950-12-07 | 1951-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-07 | 1954-12-07 | 1955-06-08 | $7700.00 | Window Closed / Lapsed |