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US1523104A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite board

Assignee: EDWIN W GROVE
•
Filing: 1923-12-07
•
Granted: 1925-01-13
•
Expires: 1943-12-07
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Abstract

No abstract record available.

Inventors

  • 👤 William B Doe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:09
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/12; Y; Y10; Y10T; Y10T428/00; Y10T428/18; Y10T428/183; Y10T428/187

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) 1928-01-13 1928-07-14 1929-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1932-01-13 1932-07-14 1933-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1936-01-13 1936-07-14 1937-01-13 $7700.00 Window Closed / Lapsed

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