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US1606554A Expired / Lapsed US ⏱️ 0.0 years remaining

Construction of envelope flap gumming and drying machines

Assignee: Spicers Ltd
•
Filing: 1925-01-02
•
Granted: 1926-11-09
•
Expires: 1945-01-02
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Abstract

No abstract record available.

Inventors

  • 👤 Wycherley Sydney Rensden
  • 👤 Smith William Ramsay Calder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:16
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B70/626; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/104

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) 1929-11-08 1930-05-10 1930-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1933-11-08 1934-05-10 1934-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1937-11-08 1938-05-10 1938-11-09 $7700.00 Window Closed / Lapsed

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