US3040297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supervisory control and remote metering
Assignee: Westinghouse Electric Corp
•
Filing: 1956-05-28
•
Granted: 1962-06-19
•
Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Willard A Derr
- 👤 Weldon L Metz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:55
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2091301A
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US2164379A
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US2285819A
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US2438000A
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US2550109A
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US2616959A
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US2597075A
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US2901728A
Cited
US2644931A
Cited
US2780799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |