US2459131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic distributor for multiplex pulse communication systems
Assignee: RCA Corp
•
Filing: 1946-09-24
•
Granted: 1949-01-11
•
Expires: 1966-09-24
Abstract
No abstract record available.
Inventors
- 👤 Max H Mesner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:25
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191565A
Cited
US2277516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |