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US2423076A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making helmets

Assignee: Individual
•
Filing: 1943-02-05
•
Granted: 1947-07-01
•
Expires: 1963-02-05
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Abstract

No abstract record available.

Inventors

  • 👤 Daly Le Grand

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 01:08
CPC Classifications
A; A42; A42C; A42C2/00; A42B; A42B3/00; A42B3/04; A42B3/06; B; B29; B29L; B29L2031/00; B29L2031/48; B29L2031/4807; B29L2031/4814; B29L2031/4821; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1835883A Cited
US2025772A Cited
US2123275A Cited
US2115065A Cited
US2295855A Cited
US2312227A 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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