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US1870323A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of insulating material

Assignee: Individual
•
Filing: 1929-10-12
•
Granted: 1932-08-09
•
Expires: 1949-10-12
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Abstract

No abstract record available.

Inventors

  • 👤 Cattaneo Giustino

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:21
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24529; Y10T428/24545; Y10T428/24612; Y10T428/31504; Y10T428/31678; Y10T428/31707

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1935-08-09 1936-02-08 1936-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-08-09 1940-02-08 1940-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-08-09 1944-02-08 1944-08-09 $7700.00 Window Closed / Lapsed

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