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US2423199A Expired / Lapsed US ⏱️ 0.0 years remaining

Sound deadening panel

Assignee: CINCINNATI MANUFACTURING Co
•
Filing: 1944-06-13
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Granted: 1947-07-01
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Expires: 1964-06-13
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Abstract

No abstract record available.

Inventors

  • 👤 Leland T Milnor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:40
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/8227; E04B1/84; E04B2001/8423; E04B2001/8433; E04B2001/8452

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1968045A Cited
US1899403A Cited
US1987537A Cited
US2017441A Cited
US2104550A Cited
US2228363A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-06-30 1950-12-30 1951-07-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-06-30 1954-12-30 1955-07-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-06-30 1958-12-30 1959-07-01 $7700.00 Window Closed / Lapsed

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