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US2822170A Expired / Lapsed US ⏱️ 0.0 years remaining

Separator and conveyor means for light printing machines

Assignee: GAF Chemicals Corp
•
Filing: 1953-10-02
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Granted: 1958-02-04
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Expires: 1973-10-02
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick H Frantz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:34
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/24; B; B65; B65H; B65H29/00; B65H29/54; G03B27/18; G03B27/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1904591A Cited
US1968941A Cited
US1980188A Cited
US2292521A Cited
US2352983A Cited
US2375241A Cited
US2641980A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-02-03 1961-08-05 1962-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-02-03 1965-08-05 1966-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-02-03 1969-08-05 1970-02-04 $7700.00 Window Closed / Lapsed

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