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US2465976A
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Centercasting network system
Assignee: Individual
•
Filing: 1942-12-24
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Granted: 1949-03-29
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Expires: 1962-12-24
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Goldsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:36
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/76; H04H60/78; H04H60/79; H04H60/81; H04H60/90; H04H60/29; H04H60/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |