US3170259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1963-02-21
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Granted: 1965-02-23
•
Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Burton L R Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:43
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/022; G02B27/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
230 words
A PORTABLE MICROVIEWER FOR SUPPORTING AND HOLDING DATA CARDS AND FOR ILLUMINATING AND VIEWING TRANSLUCENT FILM MOUNTED IN A PARTICULAR POSITION ON THE CARDS, THE MICROVIEWER COMPRISING: A RECTILINEAR OPEN-TOP CASING FORMED OF OPAQUE VERTICAL SIDE WALLS AND AN OPAQUE BOTTOM WALL, AN OPAQUE VERTICAL PARTITION WALL DIVIDING THE CASING INTERIORLY INTO COMPARTMENTS, A LIGHT SOURCE IN ONE OF SAID COMPARTMENTS, LIGHT SOURCE POWER MEANS IN ANOTHER COMPARTMENT, CONTROL MEANS FOR THE LIGHT SOURCE, A SURFACE-ROUGHENED TRANSLUCENT LIGHT-DIFFUSING COVER PLATE TRANSLUCENTLY AND REMOVABLY COVERING THE ENTIRE OPEN TOP OF THE CASING, SAID SIDE WALLS OF THE CASING BEING FORMED AT THEIR UPPER ENDS WITH A HORIZONTAL TRACK MEANS FOR SLIDABLY RECEIVING THE COVER PLATE, A CARD HOLDING AND VIEWING MEANS CARRIED BY SAID COVER PLATE, SAID HOLDING AND VIEWING MEANS BEING FORMED WITH A BODY PORTION HAVING A BOTTOM SURFACE SECURED AT ONE END TO THE UPPER SURFACE OF SAID PLATE AND HAVING AN UNSECURED EXTENSION OF SAID BOTTOM SURFACE LYING IN CLOSE PROXIMITY TO SAID UPPER SURFACE OF THE PLATE FOR FORMING THEREWITH A CARD-RECEIVING SLOT, SAID HOLDING AND VIEWING MEANS FURTHER BEING FORMED WITH A SUPPORT FLANGE PROJECTING OUTWARDLY OF THE BODY PORTION OVER SAID CASING LIGHT SOURCE COMPARTMENT, AND A MAGNIFYING LENS CARRIED BY SAID SUPPORT FLANGE, SAID LENS BEING SO DISPOSED SO TO BE OVER SAID TRANSLUCENT FILM WHEN SAID CARD IS RECEIVED IN SAID SLOT.
Claim 2
Dependent Claim
230 words
A PORTABLE MICROVIEWER FOR SUPPORTING AND HOLDING DATA CARDS AND FOR ILLUMINATING AND VIEWING TRANSLUCENT FILM MOUNTED IN A PARTICULAR POSITION ON THE CARDS, THE MICROVIEWER COMPRISING: A RECTILINEAR OPEN-TOP CASING FORMED OF OPAQUE VERTICAL SIDE WALLS AND AN OPAQUE BOTTOM WALL, AN OPAQUE VERTICAL PARTITION WALL DIVIDING THE CASING INTERIORLY INTO COMPARTMENTS, A LIGHT SOURCE IN ONE OF SAID COMPARTMENTS, LIGHT SOURCE POWER MEANS IN ANOTHER COMPARTMENT, CONTROL MEANS FOR THE LIGHT SOURCE, A SURFACE-ROUGHENED TRANSLUCENT LIGHT-DIFFUSING COVER PLATE TRANSLUCENTLY AND REMOVABLY COVERING THE ENTIRE OPEN TOP OF THE CASING, SAID SIDE WALLS OF THE CASING BEING FORMED AT THEIR UPPER ENDS WITH A HORIZONTAL TRACK MEANS FOR SLIDABLY RECEIVING THE COVER PLATE, A CARD HOLDING AND VIEWING MEANS CARRIED BY SAID COVER PLATE, SAID HOLDING AND VIEWING MEANS BEING FORMED WITH A BODY PORTION HAVING A BOTTOM SURFACE SECURED AT ONE END TO THE UPPER SURFACE OF SAID PLATE AND HAVING AN UNSECURED EXTENSION OF SAID BOTTOM SURFACE LYING IN CLOSE PROXIMITY TO SAID UPPER SURFACE OF THE PLATE FOR FORMING THEREWITH A CARD-RECEIVING SLOT, SAID HOLDING AND VIEWING MEANS FURTHER BEING FORMED WITH A SUPPORT FLANGE PROJECTING OUTWARDLY OF THE BODY PORTION OVER SAID CASING LIGHT SOURCE COMPARTMENT, AND A MAGNIFYING LENS CARRIED BY SAID SUPPORT FLANGE, SAID LENS BEING SO DISPOSED SO TO BE OVER SAID TRANSLUCENT FILM WHEN SAID CARD IS RECEIVED IN SAID SLOT.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |