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US3044306A
Expired / Lapsed
US
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Power meter
Assignee: Individual
•
Filing: 1960-04-22
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Granted: 1962-07-17
•
Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Robert L Propst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:18
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB301774A
Cited
US1801878A
Cited
US2052205A
Cited
US2157514A
Cited
US2085310A
Cited
US2733116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |