Patent US3042773A successfully refreshed from Google Patents.
US3042773A
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Relay
Assignee: AT&T Inc
•
Filing: 1958-12-19
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Granted: 1962-07-03
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Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Keller
- 👤 Jr Robert Lee Peek
- 👤 Schneider Charles
- 👤 Jr Charles F Spahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:46
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30; H01H51/00; H01H51/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1167067A
Cited
US1392234A
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US1886372A
Cited
US2775666A
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US2764656A
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US2896132A
Cited
US2824189A
Cited
US2871312A
Cited
US2976379A
Cited
US2933572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |