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US1780743A Expired / Lapsed US ⏱️ 0.0 years remaining

Laminated wall board

Assignee: Certainteed LLC
•
Filing: 1928-06-13
•
Granted: 1930-11-04
•
Expires: 1948-06-13
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Abstract

No abstract record available.

Inventors

  • 👤 Philip W Codwise

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:45
CPC Classifications
D; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/31964

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) 1933-11-03 1934-05-05 1934-11-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-11-03 1938-05-05 1938-11-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-11-03 1942-05-05 1942-11-04 $7700.00 Window Closed / Lapsed

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