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US2886739A
Expired / Lapsed
US
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Electronic distributor devices
Assignee: International Standard Electric Corp
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Filing: 1952-10-20
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Granted: 1959-05-12
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Expires: 1972-10-20
Abstract
No abstract record available.
Inventors
- 👤 Matthews Kenneth Albert
- 👤 Hyman Robert Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/045; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/44; H01J31/00; H01J31/02; H01J31/04; H01J31/06; H03; H03K; H03K17/00; H03K17/51; H03K17/88; H10; H10F; H10F99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2504628A
Cited
US2547386A
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US2680159A
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US2629800A
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US2588292A
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US2588254A
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US2600373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |