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US2763167A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1952-08-08
•
Granted: 1956-09-18
•
Expires: 1972-08-08
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Abstract

No abstract record available.

Inventors

  • 👤 Sahlin Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:08
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/027

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1996818A Cited
US2013858A Cited
US2382339A Cited
US2609776A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-09-18 1960-03-19 1960-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-09-18 1964-03-19 1964-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-09-18 1968-03-19 1968-09-18 $7700.00 Window Closed / Lapsed

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