US3298015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic data plotter
Assignee: Kollsman Instrument Corp
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Filing: 1963-12-26
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Granted: 1967-01-10
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Herman Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:05
CPC Classifications
G; G08; G08C; G08C21/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
DATA PLOTTING MEANS COMPRISING A PLOTTING SURFACE HAVING A PLURALITY OF SUBSTANTIALLY EQUAL SIZED SQUARES FORMING A CHECKERBOARD PATTERN; SELECTED ONES OF SAID SQUARES BEING FORMED OF TRANSLUCENT MATERIAL OF AT LEAST TWO DIFFERENT COLORS; A LIGHT SOURCE POSITIONED BENEATH SAID SURFACE; DETECTION MEANS MOVABLE OVER SAID SURFACE FOR GENERATING FIRST SIGNALS REPRESENTATIVE OF THE SQUARES PASSING BENEATH SAID DETECTION MEANS; SAID DETECTION MEANS COMPRISING FIRST AND SECOND OPTICAL SENSING ASSEMBLIES POSITIONED AT SPACED INTERVALS A DISTANCE LESS THAN THE WIDTH OF EACH SQUARE; EACH OF SAID ASSEMBLIES COMPRISING BEAM SPLITTING MEANS FOR SPLITTING A BEAM INTO TWO DIRECTIONS; TWO LIGHT DETECTION MEANS EACH PLACED IN ONE OF THE TWO SPLIT LIGHT PATHS; EACH OF SAID LIGHT DETECTION MEANS BEING SENSITIVE TO A DIFFERENT COLOR.
References Cited (Backward Citations)
US3024986A
Cited
US3099831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |