Patent DE2140994A1 successfully refreshed from Google Patents.
US2713132A
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Electric rectifying devices employing semiconductors
Assignee: International Standard Electric Corp
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Filing: 1953-10-07
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Granted: 1955-07-12
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Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Matthews Kenneth Albert
- 👤 Hyman Robert Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:21
CPC Classifications
H; H10; H10P; H10P95/00; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H10D; H10D62/00; H10D62/10; H10D62/117; H10D8/00; H10D8/01; H10D8/30; H10D99/00; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W72/00; H10W76/00; H10W76/60; H10W70/099; H10W72/071; H10W72/073; H10W72/075; H10W72/30; H10W72/351; H10W72/352; H10W72/50; H10W72/541; H10W72/5434; H10W72/551; H10W72/59; H10W72/851; H10W72/853; H10W72/874; H10W72/884; H10W72/90; H10W72/921; H10W72/926; H10W72/931; H10W72/934; H10W72/941; H10W72/9415; H10W72/944; H10W90/00; H10W90/701; H10W90/731; H10W90/736
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |