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US3535140A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for manufacture of dual coated manifold sheet with pressure rupturable materials

Assignee: Appleton Coated Paper Co
•
Filing: 1969-03-26
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Granted: 1970-10-20
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Expires: 1989-03-26
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas W Busch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:57
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/70; D21H23/72; B; B41; B41M; B41M5/00; B41M5/124; B41M5/1246; D21H5/00; D21H5/0005; D21H5/005; D21H5/0052; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249963; Y10T428/249967; Y10T428/249969

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3311499A Cited
US2325798A Cited
US2388339A Cited
US2711378A Cited
US3196038A Cited
US3186861A Cited
US3020170A Cited
US3226252A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-19 1974-04-20 1974-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-19 1978-04-20 1978-10-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-19 1982-04-20 1982-10-20 $7700.00 Window Closed / Lapsed

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