US2603693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor signal translating device
Assignee: AT&T Inc
•
Filing: 1950-10-10
•
Granted: 1952-07-15
•
Expires: 1970-10-10
Abstract
No abstract record available.
Inventors
- 👤 Reymond J Kircher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:53
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D10/00; H10D62/00; H10D62/80; H10D62/83; H10D62/834; H10D99/00; H10P; H10P14/00; H10P14/40; H10P14/46; H10P95/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528; Y10T428/12681
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2524035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |