Patent US3209352A successfully refreshed from Google Patents.
US3209352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for electronic pictorial position comparison
Assignee: Individual
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Filing: 1955-12-28
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Granted: 1965-09-28
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Expires: 1975-12-28
Abstract
No abstract record available.
Inventors
- 👤 Andre G Buck
- 👤 Jr Frederick W Kruse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:17
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/34; F41G7/343; G; G06; G06V; G06V10/00; G06V10/10; G06V10/70; G06V10/74; G06V10/75
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A POSITION COMPARATOR COMPRISING: SCANNING MEANS FOR COMPARING AN ARBITRARY DISPLAY AND A REFERENCE DISPLAY AND FOR PRODUCING A GATE PULSE UPON SIMILARITY OF THE TWO DISPLAYS, MEANS FOR PRODUCING POSITION VOLTAGES THAT ARE FUNCTIONS OF THE POITIONS OF SAID SCANNING MEANS, AND MEANS RESPONSIVE TO SAID GATE PULSES FOR GATING SAID POSITION VOLTAGE.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |