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US2448397A Expired / Lapsed US ⏱️ 0.0 years remaining

Corrosion resistant coated steel

Assignee: Remington Arms Co LLC
•
Filing: 1944-06-07
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Granted: 1948-08-31
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Expires: 1964-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Albert A Schilling
  • 👤 Walter L Finlay

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:19
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/82; C23C22/83; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/31504; Y10T428/31678; Y10T428/31688

Claims Analysis

Total Claims: 0
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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) 1951-08-31 1952-03-01 1952-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-08-31 1956-03-01 1956-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-08-31 1960-03-01 1960-08-31 $7700.00 Window Closed / Lapsed

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