US2462906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of metal contact rectifiers
Assignee: STC PLC
•
Filing: 1944-04-29
•
Granted: 1949-03-01
•
Expires: 1964-04-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene P Sauerborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:05
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/044; C; C01; C01B; C01B15/00; C01B15/055; C01B15/12; H10D48/042; H10P; H10P14/00; H10P14/20; H10P14/34; H10P14/3402; H10P14/38; H10P14/3802; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2342278A
Cited
US1826955A
Cited
US1678826A
Cited
US1896853A
Cited
US2175016A
Cited
GB516137A
Cited
US2267954A
Cited
US2325071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |