US3112486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control system
Assignee: Zenith Electronics LLC
•
Filing: 1958-04-07
•
Granted: 1963-11-26
•
Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:54
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/18; H03J1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A REMOTE CONTROL SYSTEM COMPRISING: MEANS FOR RADIATING SIGNAL ENERGY OF A FIRST TYPE AND OF A GIVEN FREQUENCY; MEANS FOR CONCURRENTLY RADIATING SIGNAL ENERGY OF A SECOND AND DIFFERENT TYPE BUT OF THE SAME FREQUENCY; A PAIR OF RECEIVERS RESPECTIVELY RESPONSIVE TO SAID FIRST AND SECOND TYPES OF ENERGY; A SYNCHRONOUS DETECTOR; MEANS FOR
Claim 2
Dependent Claim
55 words
A REMOTE CONTROL SYSTEM COMPRISING: MEANS FOR RADIATING SIGNAL ENERGY OF A FIRST TYPE AND OF A GIVEN FREQUENCY; MEANS FOR CONCURRENTLY RADIATING SIGNAL ENERGY OF A SECOND AND DIFFERENT TYPE BUT OF THE SAME FREQUENCY; A PAIR OF RECEIVERS RESPECTIVELY RESPONSIVE TO SAID FIRST AND SECOND TYPES OF ENERGY; A SYNCHRONOUS DETECTOR; MEANS FOR
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |