US3246325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dme with fast search
Assignee: Unisys Corp
•
Filing: 1963-09-25
•
Granted: 1966-04-12
•
Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Irving A Sofen
- 👤 Robert P Crow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/78; G01S13/785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
DISTANCE MEASURING EQUIPMENT (DME) COMPRISING IN COMBINATION, A RANGE MOTOR, A RANGING UNIT, GEAR DRIVE MEANS HAVING TWO DIFFERENT GEAR RATIOS EITHER ONE OF WHICH MAY BE SELECTED TO COUPLE SAID MOTOR TO SAID RANGING UNIT, A SINGLE SERVO CHANNEL WHICH HAS ITS OUTPUT COUPLED TO SAID MOTOR FOR DRIVING IT, MEANS INCLUDING MODE SWITCHING MEANS FOR APPLYING EITHER A RANGE ERROR SIGNAL OF A RANGE SEARCH SIGNAL TO THE INPUT OF SAID SERVO CHAN-
Claim 2
Dependent Claim
75 words
DISTANCE MEASURING EQUIPMENT (DME) COMPRISING IN COMBINATION, A RANGE MOTOR, A RANGING UNIT, GEAR DRIVE MEANS HAVING TWO DIFFERENT GEAR RATIOS EITHER ONE OF WHICH MAY BE SELECTED TO COUPLE SAID MOTOR TO SAID RANGING UNIT, A SINGLE SERVO CHANNEL WHICH HAS ITS OUTPUT COUPLED TO SAID MOTOR FOR DRIVING IT, MEANS INCLUDING MODE SWITCHING MEANS FOR APPLYING EITHER A RANGE ERROR SIGNAL OF A RANGE SEARCH SIGNAL TO THE INPUT OF SAID SERVO CHAN-
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |