US2790875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay incorporating printed circuit
Assignee: Allied Control Co Inc
•
Filing: 1953-03-24
•
Granted: 1957-04-30
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Expires: 1973-03-24
Abstract
No abstract record available.
Inventors
- 👤 Bancroft James Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:32
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H1/00; H01H1/12; H01H1/36; H01H1/40; H01H1/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US800179A
Cited
US1741409A
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US2066511A
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US2152042A
Cited
US2391400A
Cited
US2405319A
Cited
US2616994A
Cited
US2702841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |