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US882297A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined envelop and letter-sheet.

Assignee: Individual
•
Filing: 1907-06-22
•
Granted: 1908-03-17
•
Expires: 1927-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Charles W Cook

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:47
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08

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) 1911-03-17 1911-09-16 1912-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1915-03-17 1915-09-16 1916-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1919-03-17 1919-09-16 1920-03-17 $7700.00 Window Closed / Lapsed

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