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US2942183A
Expired / Lapsed
US
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Electrical measuring network
Assignee: Individual
•
Filing: 1955-11-30
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Granted: 1960-06-21
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Expires: 1975-11-30
Abstract
No abstract record available.
Inventors
- 👤 Richard F Chance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:56
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2365706A
Cited
US1164032A
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US1379266A
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US2083408A
Cited
US2463384A
Cited
US2659234A
Cited
GB691633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |