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US2049869A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1935-02-25
•
Granted: 1936-08-04
•
Expires: 1955-02-25
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Abstract

No abstract record available.

Inventors

  • 👤 Rohrs John Ernst

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 14:18
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0064; A44B17/0088; A44B17/0041; A44D; A44D2201/00; A44D2201/10; A44D2201/12; A44D2201/14; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45984; Y10T24/45995

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) 1939-08-04 1940-02-03 1940-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1943-08-04 1944-02-03 1944-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1947-08-04 1948-02-03 1948-08-04 $7700.00 Window Closed / Lapsed

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