US2946005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency thermocouple meter
Assignee: Bird Electronic Corp
•
Filing: 1955-09-14
•
Granted: 1960-07-19
•
Expires: 1975-09-14
Abstract
No abstract record available.
Inventors
- 👤 Clayton F Waterfield
- 👤 Henry J Calderhead
- 👤 Herbert H Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:16
CPC Classifications
G; G01; G01R; G01R21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959191A
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GB482518A
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US2656515A
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US2411553A
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FR953886A
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US2423506A
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US2424596A
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US2526399A
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US2497706A
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FR951066A
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US2646549A
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US2752572A
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GB695166A
Cited
US2620396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |