Patent US3475742A successfully refreshed from Google Patents.
US3475742A
Expired / Lapsed
US
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Temperature telemetering system
Assignee: PETER ECKRICH AND SONS Inc
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Filing: 1967-01-19
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Granted: 1969-10-28
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Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 John A Whitney
- 👤 Richard E Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:50
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/02; G01K1/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2411130A
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US2468703A
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US3162857A
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US3158027A
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US3183705A
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US3186229A
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US3333476A
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US3287975A
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US3308667A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |