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US3319765A Expired / Lapsed US ⏱️ 0.0 years remaining

Production line spacing method and apparatus

Assignee: Weyerhaeuser Co
•
Filing: 1963-06-10
•
Granted: 1967-05-16
•
Expires: 1983-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Earl D Hasenwinkle
  • 👤 Henry M Preusser
  • 👤 Eric B Denton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 15:10
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 101 words
IN A METHOD OF MANUFACTURING LAMINATED PRODUCTS ON A POTENTIALLY CONTINUOUS FLOW PRODUCTION CONVEYOR LINE WHEREIN SPACING OF SOME LAMINAE IS REQUIRED SO THE PASSING LAMINA MAY INITIATE, CONTROL AND ACCOMPLISH PRODUCTION OPERATIONS, A METHOD OF SPACING LAMINAE, COMPRISING: (A) MAINTAINING A SPACER SUPPLY NEAR THE COMMENCEMENT OF THE CONTINUOUS FLOW PRODUCTION LINE; (B) SUPPORTING AND MOVING THE SPACER SUPPLY IN A CLOSED LOOP TRAVEL PATH CO-EXTENSIVE WITH THE PRODUCTION LINE WHERE NEEDED; (C) FEEDING EACH LAMINA TO SAID PRODUCTION LINE WITH A SPACE BETWEEN THE TRAILING EDGE OF A PREVIOUSLY FED LAMINA AND THE LEADING EDGE OF THE ONCOMING LAMINA;

References Cited (Backward Citations)

US2787214A Cited
US2907443A Cited
US3106279A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-15 1970-11-14 1971-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-15 1974-11-14 1975-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-15 1978-11-14 1979-05-16 $7700.00 Window Closed / Lapsed

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