Patent US3166703A successfully refreshed from Google Patents.
US3166703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simplified aided tracking and coasting system
Assignee: Individual
•
Filing: 1963-04-09
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Granted: 1965-01-19
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Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred I Mintzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:30
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1409; G01; G01S; G01S13/00; G01S13/66; G01S13/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN AIDED TRACKING SYSTEM COMPRISING: (A) A VARIABLE SOURCE OF POTENTIAL; (B) AN ELECTRIC MOTOR; (C) A RATE TACHOMETER WHICH IS MECHANICALLY COUPLED TO THE OUTPUT SHAFT OF THE MOTOR AND WHICH PROVIDES AN ELECTRICAL POTENTIAL OPPOSITE IN POLARITY TO THE POTENTIAL OF THE VARIABLE SOURCE; (D) MEANS FOR INVERTING THE POLARITY OF THE OUTPUT POTENTIAL OF THE TACHOMETER; (E) MEANS FOR COMBINING THE INVERTED POTENTIAL OF THE TACHOMETER WITH THE POTENTIAL OF THE VARIABLE SOURCE; (F) AND MEANS RESPONSIVE TO THE DIFFERENCE BETWEEN THE SAID COMBINED POTENTIAL AND THE OUTPUT POTENTIAL OF THE TACHOMETER FOR ENERGIZING THE MOTOR.
Claim 2
Dependent Claim
99 words
AN AIDED TRACKING SYSTEM COMPRISING: (A) A VARIABLE SOURCE OF POTENTIAL; (B) AN ELECTRIC MOTOR; (C) A RATE TACHOMETER WHICH IS MECHANICALLY COUPLED TO THE OUTPUT SHAFT OF THE MOTOR AND WHICH PROVIDES AN ELECTRICAL POTENTIAL OPPOSITE IN POLARITY TO THE POTENTIAL OF THE VARIABLE SOURCE; (D) MEANS FOR INVERTING THE POLARITY OF THE OUTPUT POTENTIAL OF THE TACHOMETER; (E) MEANS FOR COMBINING THE INVERTED POTENTIAL OF THE TACHOMETER WITH THE POTENTIAL OF THE VARIABLE SOURCE; (F) AND MEANS RESPONSIVE TO THE DIFFERENCE BETWEEN THE SAID COMBINED POTENTIAL AND THE OUTPUT POTENTIAL OF THE TACHOMETER FOR ENERGIZING THE 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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |