Patent US2419602A successfully refreshed from Google Patents.
US2419602A
Expired / Lapsed
US
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Rectifier and method of making the same
Assignee: STC PLC
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Filing: 1943-08-14
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Granted: 1947-04-29
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Expires: 1963-08-14
Abstract
No abstract record available.
Inventors
- 👤 Murray F Skinker
- 👤 Leslie B Haigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:29
CPC Classifications
H; H10; H10W; H10W72/00; H10D; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB454548A
Cited
US2131167A
Cited
US2182377A
Cited
US2303801A
Cited
US2217471A
Cited
US2314104A
Cited
US2261618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |