Patent US2795650A successfully refreshed from Google Patents.
US2795650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compandor control system
Assignee: TDK Micronas GmbH
•
Filing: 1952-04-23
•
Granted: 1957-06-11
•
Expires: 1972-04-23
Abstract
No abstract record available.
Inventors
- 👤 Arnold M Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:43
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/04; H04B14/046; H04B14/048; H03; H03G; H03G7/00; H03G7/007; H04B1/00; H04B1/62; H04B1/64; H04J; H04J3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1743132A
Cited
US2248757A
Cited
US2231538A
Cited
US2407259A
Cited
US2580421A
Cited
US2586825A
Cited
US2521733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |