US3535640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction of distortion and losses in cable television distribution systems
Assignee: Ericsson Inc
•
Filing: 1966-06-16
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Granted: 1970-10-20
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Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Stanley C Forrest Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:16
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/10; H04N7/102; H03; H03H; H03H7/00; H03H7/48; H03H7/482; H04B; H04B3/00; H04B3/02; H04B3/04; H04H; H04H20/00; H04H20/65; H04H20/76; H04H20/77; H04H20/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3064195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |