Patent US2901811A successfully refreshed from Google Patents.
US2901811A
Expired / Lapsed
US
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Process for flattening thermistor flakes
Assignee: Barnes Engineering Co
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Filing: 1955-10-31
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Granted: 1959-09-01
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Expires: 1975-10-31
Abstract
No abstract record available.
Inventors
- 👤 Richard W Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:48
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/30; Y; Y10; Y10S; Y10S264/00; Y10S264/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US958813A
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US1398926A
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FR520076A
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US1497799A
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US1787460A
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US1942251A
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US2440187A
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US2482698A
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GB606649A
Cited
US2470461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |