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US2576887A Expired / Lapsed US ⏱️ 0.0 years remaining

Edging sheets and plates

Assignee: Libbey Owens Ford Glass Co
•
Filing: 1948-09-09
•
Granted: 1951-11-27
•
Expires: 1968-09-09
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Abstract

No abstract record available.

Inventors

  • 👤 Edward C Oberstar
  • 👤 Sydney G Coleman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:21
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/10; B24B9/102

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1886878A Cited
US1872436A Cited
US1850465A Cited
US2015720A Cited
US1958526A Cited
US2038150A Cited
US2160085A Cited
US2296934A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-11-26 1955-05-28 1955-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-11-26 1959-05-28 1959-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-11-26 1963-05-28 1963-11-27 $7700.00 Window Closed / Lapsed

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