US2855523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light responsive system
Assignee: General Electric Co
•
Filing: 1954-01-21
•
Granted: 1958-10-07
•
Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Berger Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:26
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; B60Q2300/00; B60Q2300/40; B60Q2300/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1178882A
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US1560793A
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US1626406A
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AT143232B
Cited
US2182987A
Cited
US2551954A
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US2612817A
Cited
GB663504A
Cited
US2674700A
Cited
US2762930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |