US2612562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telegraph distributor
Assignee: British Telecommunications PLC
•
Filing: 1949-06-10
•
Granted: 1952-09-30
•
Expires: 1969-06-10
Abstract
No abstract record available.
Inventors
- 👤 Baker George Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/042; H04L; H04L13/00; H04L13/02; H04L13/10; H04L13/12; H04L13/14; H04L25/00; H04L25/38; H04L25/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |