US2790939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay
Assignee: IXYS Integrated Circuits Division Inc
•
Filing: 1951-06-06
•
Granted: 1957-04-30
•
Expires: 1971-06-06
Abstract
No abstract record available.
Inventors
- 👤 Albert F Horlacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:40
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US714607A
Cited
US1839377A
Cited
US1852232A
Cited
US1920135A
Cited
US2082493A
Cited
US2216620A
Cited
US2216654A
Cited
US2207292A
Cited
US2248584A
Cited
US2289227A
Cited
US2353756A
Cited
US2310138A
Cited
US2364656A
Cited
US2499632A
Cited
US2519731A
Cited
US2531905A
Cited
US2538020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |