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US2262861A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite article

Assignee: Carbide and Carbon Chemicals Corp
•
Filing: 1939-05-16
•
Granted: 1941-11-18
•
Expires: 1959-05-16
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Abstract

No abstract record available.

Inventors

  • 👤 Edward W Rugeley
  • 👤 Theophilus A Feild
  • 👤 John F Conlon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:26
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/38; B29C61/00; B29C61/06; B29C61/0608; B29C61/0658; B29C63/24; D; D07; D07B; D07B1/00; D07B1/005; B29C53/00; B29C53/56; B29C53/58; B29K; B29K2027/00; D07B2201/00; D07B2201/20; D07B2201/2083; D07B2201/209; D07B2201/2092; D07B2205/00; D07B2205/20; D07B2205/2021; D07B2207/00; D07B2207/40; D07B2207/404; Y; Y10; Y10S; Y10S264/00; Y10S264/71; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T428/2933; Y10T428/294

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) 1944-11-17 1945-05-19 1945-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-11-17 1949-05-19 1949-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-11-17 1953-05-19 1953-11-18 $7700.00 Window Closed / Lapsed

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