US2955264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulation system
Assignee: RCA Corp
•
Filing: 1957-05-24
•
Granted: 1960-10-04
•
Expires: 1977-05-24
Abstract
No abstract record available.
Inventors
- 👤 Kihn Harry
- 👤 William E Barnette
- 👤 Metzger Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2659866A
Cited
US2772357A
Cited
US2772370A
Cited
US2816169A
Cited
US2866178A
Cited
US2803812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |