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US2176555A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal weather stripping for steel casement windows and doors

Assignee: Individual
•
Filing: 1938-05-04
•
Granted: 1939-10-17
•
Expires: 1958-05-04
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Abstract

No abstract record available.

Inventors

  • 👤 Kuhne Ferdinand
  • 👤 Marks Ernest
  • 👤 Paul M Waldmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 18:08
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/232

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) 1942-10-16 1943-04-17 1943-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-10-16 1947-04-17 1947-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-10-16 1951-04-17 1951-10-17 $7700.00 Window Closed / Lapsed

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