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US1248092A Expired / Lapsed US ⏱️ 0.0 years remaining

Fireproofing starch.

Assignee: ISAAC W BECKER
•
Filing: 1916-05-26
•
Granted: 1917-11-27
•
Expires: 1936-05-26
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Abstract

No abstract record available.

Inventors

  • 👤 William D Rohan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:43
CPC Classifications
C; C09; C09K; C09K21/00; C09K21/02; A; A01; A01N; A01N59/00; A01N59/06; A01N59/08; C04; C04B; C04B2111/00; C04B2111/20; C04B2111/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1920-11-26 1921-05-28 1921-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-11-26 1925-05-28 1925-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-11-26 1929-05-28 1929-11-27 $7700.00 Window Closed / Lapsed

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