US2773219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive relay circuit
Assignee: Radio Receptor Co Inc
•
Filing: 1954-11-10
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Granted: 1956-12-04
•
Expires: 1974-11-10
Abstract
No abstract record available.
Inventors
- 👤 Aron Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:08
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)
US1983715A
Cited
US2050737A
Cited
US2189462A
Cited
US2512658A
Cited
US2590826A
Cited
US2554124A
Cited
US2546784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |