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US1283913A Expired / Lapsed US ⏱️ 0.0 years remaining

Waterproof composition.

Assignee: JOSEPH D DONOVAN
•
Filing: 1918-02-16
•
Granted: 1918-11-05
•
Expires: 1938-02-16
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Abstract

No abstract record available.

Inventors

  • 👤 Weller Rodenberger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:23
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/14; A; A21; A21D; A21D2/00; A21D2/08; A21D2/14; A21D2/16

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) 1921-11-04 1922-05-06 1922-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1925-11-04 1926-05-06 1926-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1929-11-04 1930-05-06 1930-11-05 $7700.00 Window Closed / Lapsed

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