US3335346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier control system
Assignee: United States Steel Corp
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Filing: 1964-01-10
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Granted: 1967-08-08
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Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Vincent S Borsattino
- 👤 Chursel E Marker
- 👤 Jesse W Shalla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:27
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/12; B; B66; B66C; B66C13/00; B66C13/18; B66C13/40; B66C2700/00; B66C2700/08; B66C2700/088
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
A CONTROL FOR A PLURALITY OF MOTORS MOUNTED ON A CARRIER COMPRISING A PLURALITY OF VARIABLE FREQUENCY OSCILLATORS MOUNTED AT A POSTION REMOTE FROM SAID CARRIER, ONE FOR EACH MOTOR, MEANS FOR VARYING THE FREQUENCY OF EACH OF SAID OSCILLATORS WITH THE RANGE OF FREQUENCY OF EACH OSCILLATOR BEING DIFFERENT THAN THE RANGE OF FREQUENCY OF THE OTHER OSCILLATORS, A TRANSMITTER CONNECTED TO THE OUTPUT OF SAID OSCILLATORS, A RECEIVER MOUNTED ON SAID CARRIER FOR RECEIVING A SIGNAL FROM SAID TRANSMITTER, A PLURALITY OF DISCRIMINATORS CONNECTED TO THE OUTPUT OF SAID RECEIVER, ONE TUNED TO THE FREQUENCY OF EACH OF SAID VARIABLE FREQUENCY OSCILLATORS, MEANS CONNECTED TO THE OUTPUT OF EACH DISCRIMINATOR AND MOVABLE A DISTANCE PROPORTIONAL TO THE FREQUENCY OF THE ASSOCIATED SIGNAL, AND MEANS OPERABLE BY EACH OF SAID LAST-NAMED MEANS FOR CONTROLLING THE MOVEMENT OF ITS ASSOCIATED MOTOR.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |