Patent US3412328A successfully refreshed from Google Patents.
US3412328A
Expired / Lapsed
US
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Counting ratemeter with manual override of long time constant
Assignee: Troxler Electronic Laboratories Inc
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Filing: 1965-08-09
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Granted: 1968-11-19
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Lowery Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:52
CPC Classifications
G; G01; G01R; G01R23/00; G01R23/02; G01R23/06; G01R23/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1757193A
Cited
US3023362A
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US2356617A
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US2752508A
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GB760838A
Cited
DE1124146B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |