Patent US2948814A successfully refreshed from Google Patents.
US2948814A
Expired / Lapsed
US
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Compensated light meter power supply
Assignee: General Electric Co
•
Filing: 1956-01-31
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Granted: 1960-08-09
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Expires: 1976-01-31
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:53
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/33; G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52; H01; H01J; H01J40/00; H01J40/02; H01J40/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2824239A
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |