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US1351071A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording device

Assignee: Individual
•
Filing: 1918-06-07
•
Granted: 1920-08-31
•
Expires: 1938-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Silverman Alexander
  • 👤 Roswell H Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:19
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/28; G; G01; G01D; G01D15/00; G01D15/10; Y; Y10; Y10S; Y10S428/00; Y10S428/913

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) 1923-08-31 1924-03-01 1924-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-08-31 1928-03-01 1928-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-08-31 1932-03-01 1932-08-31 $7700.00 Window Closed / Lapsed

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