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US2162687A Expired / Lapsed US ⏱️ 0.0 years remaining

Construction material

Assignee: Philip Carey Manufacturing Co
•
Filing: 1927-01-27
•
Granted: 1939-06-13
•
Expires: 1947-01-27
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Abstract

No abstract record available.

Inventors

  • 👤 Albert C Fischer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:47
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31815; Y10T428/31819; Y10T428/31823; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2377

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) 1942-06-12 1942-12-12 1943-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-06-12 1946-12-12 1947-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-06-12 1950-12-12 1951-06-13 $7700.00 Window Closed / Lapsed

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