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US3043734A Expired / Lapsed US ⏱️ 0.0 years remaining

Filing device and method of operation

Assignee: JOHN GREEN PRESS Inc
•
Filing: 1956-03-06
•
Granted: 1962-07-10
•
Expires: 1976-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 Robert W Porter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:10
CPC Classifications
B; B42; B42F; B42F17/00; Y; Y10; Y10S; Y10S24/00; Y10S24/11; Y10S412/00; Y10S412/90; Y10S412/901; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T24/00; Y10T24/20; Y10T24/207

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US522171A Cited
US1988368A Cited
US2058035A Cited
US2095437A Cited
US2171605A Cited
US2250583A Cited
US2248582A Cited
US2510263A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-09 1966-01-08 1966-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-09 1970-01-08 1970-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-09 1974-01-08 1974-07-10 $7700.00 Window Closed / Lapsed

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