Patent US3117277A successfully refreshed from Google Patents.
US3117277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passive radio repeater transmission system
Assignee: Individual
•
Filing: 1961-12-04
•
Granted: 1964-01-07
•
Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Magondeaux Leo De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:52
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/75; G01S13/751; G01S13/753
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
A RADIO TRANSMISSION SYSTEM COMPRISING TRANSMITTER MEANS TO RADIATE A CONTINUOUS FREQUENCY PULSED CARRIER WAVE WITH GROUPS OF INTERMITTENT FREQUENCY PULSES OF LIKE DEVIATION FREQUENCY BEING INTERLOCKED AND FOLLOWING EACH OTHER PERIODICALLY IN THE MANNER OF A TIME DIVISION PULSE MULTIPLEX SYSTEM, DIFFERENT PULSE GROUPS REPRESENTING SEPARATE TIME CHANNELS AND HAVING DIFFERENT DEVIATION FREQUENCIES IN RESPECT TO THE CARRIER FREQUENCY, A PLURALITY OF PASSIVE RESPONDERS REMOTE FROM SAID TRANSMITTING MEANS EACH HAVING WAVE COLLECTING AND TIME DELAY MEANS RESONANT TO A DIFFERENT ONE OF SAID DEVIATION FREQUENCIES, TO RE-RADIATE TIME DELAYED PASSIVE WAVE PULSES BY SAID RE-
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |