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US2950376A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for the manufacture of sections

Assignee: Individual
•
Filing: 1958-03-26
•
Granted: 1960-08-23
•
Expires: 1978-03-26
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Abstract

No abstract record available.

Inventors

  • 👤 Wogerbauer Alfred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:09
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/0803

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1313025A Cited
US2009685A Cited
US2136059A Cited
US2647981A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-23 1964-02-22 1964-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-23 1968-02-22 1968-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-23 1972-02-22 1972-08-23 $7700.00 Window Closed / Lapsed

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