US3276124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical device for geographical plotting of ppi oscilloscope information
Assignee: Individual
•
Filing: 1955-11-30
•
Granted: 1966-10-04
•
Expires: 1975-11-30
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Jeffress
- 👤 Edward M Wight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:03
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20; G01C21/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
APPARATUS FOR PLOTTING TARGETS DISPLAYED BY A SONAR SCANNING SYSTEM IN PPI PRESENTATION ON AN OSCILLOSCOPE SCREEN COMPRISING A MOVABLE PLOTTING TABLE SUPPORTED PARALLEL TO AND OVERLYING THE FACE OF SAID SCREEN, POWER OPERATED MEANS FOR MOVING THE PLOTTING TABLE IN ITS PLANE AT A PRESELECTED RATE COMPRISING A LEAD SCREW ROTATABLE TO MOVE THE TABLE IN A FIXED DIRECTION, A VARIABLE SPEED MOTOR, A DRIVING CONNECTION INCLUDING A FRICTION CLUTCH BETWEEN THE
Claim 2
Dependent Claim
73 words
APPARATUS FOR PLOTTING TARGETS DISPLAYED BY A SONAR SCANNING SYSTEM IN PPI PRESENTATION ON AN OSCILLOSCOPE SCREEN COMPRISING A MOVABLE PLOTTING TABLE SUPPORTED PARALLEL TO AND OVERLYING THE FACE OF SAID SCREEN, POWER OPERATED MEANS FOR MOVING THE PLOTTING TABLE IN ITS PLANE AT A PRESELECTED RATE COMPRISING A LEAD SCREW ROTATABLE TO MOVE THE TABLE IN A FIXED DIRECTION, A VARIABLE SPEED MOTOR, A DRIVING CONNECTION INCLUDING A FRICTION CLUTCH BETWEEN THE
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |