← Back to Patent Explorer
US3305089A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for sorting fluorescent articles

Assignee: Gunsons Sortex Ltd
•
Filing: 1965-08-13
•
Granted: 1967-02-21
•
Expires: 1985-08-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Fraenkel Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:13
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/342; B07C5/3425; B07C5/3427; Y; Y10; Y10S; Y10S209/00; Y10S209/908; Y10S209/914; Y10S250/00; Y10S250/91

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 104 words
A SORTING MACHINE FOR SORTING DESIRED FROM UNDESIRED OBJECTS COMPRISING AT LEAST ONE LAMP ADAPTED TO DIRECT ULTRA-VIOLET LIGHT ONTO THE OBJECTS TO CAUSE THEM TO FLUORESCE, FIRST PHOTO-ELECTRIC VIEWING MEANS ADAPTED TO RESPOND TO AND ARRANGED TO RECEIVE LIGHT PRODUCED BY FLUORESCENCE FROM EACH OBJECT, ILLUMINATING MEANS FOR ILLUMINATING THE OBJECTS WITH INFRA-RED LIGHT, SECOND PHOTOELECTRIC VIEWING MEANS ADAPTED TO RESPOND TO AND ARRANGED TO RECEIVE INFRA-RED LIGHT WHICH IS REFLECTED BY EACH OBJECT, AND SEPARATING MEANS, CONTROLLED BY SIGNALS PRODUCED BY THE FIRST AND SECOND PHOTO-ELECTRIC VIEWING MEANS FOR SEPARATING DESIRED FROM UNDESIRED OBJECTS IN DEPENDENCE UPON THE FLUORESCENCE FROM EACH OBJECT.
Claim 2
Dependent Claim 104 words
A SORTING MACHINE FOR SORTING DESIRED FROM UNDESIRED OBJECTS COMPRISING AT LEAST ONE LAMP ADAPTED TO DIRECT ULTRA-VIOLET LIGHT ONTO THE OBJECTS TO CAUSE THEM TO FLUORESCE, FIRST PHOTO-ELECTRIC VIEWING MEANS ADAPTED TO RESPOND TO AND ARRANGED TO RECEIVE LIGHT PRODUCED BY FLUORESCENCE FROM EACH OBJECT, ILLUMINATING MEANS FOR ILLUMINATING THE OBJECTS WITH INFRA-RED LIGHT, SECOND PHOTOELECTRIC VIEWING MEANS ADAPTED TO RESPOND TO AND ARRANGED TO RECEIVE INFRA-RED LIGHT WHICH IS REFLECTED BY EACH OBJECT, AND SEPARATING MEANS, CONTROLLED BY SIGNALS PRODUCED BY THE FIRST AND SECOND PHOTO-ELECTRIC VIEWING MEANS FOR SEPARATING DESIRED FROM UNDESIRED OBJECTS IN DEPENDENCE UPON THE FLUORESCENCE FROM EACH OBJECT.

References Cited (Backward Citations)

US3066797A Cited
US3207910A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag