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US2289686A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper manufacture

Assignee: GARDNER RICHARDSON CO
•
Filing: 1939-07-07
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Granted: 1942-07-14
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Expires: 1959-07-07
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Abstract

No abstract record available.

Inventors

  • 👤 Brainard E Socy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:29
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/78; D21H5/00; D21H5/0005; D21H5/006; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/277; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31986; Y10T428/31993

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1945-07-13 1946-01-12 1946-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-07-13 1950-01-12 1950-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-07-13 1954-01-12 1954-07-14 $7700.00 Window Closed / Lapsed

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