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US2570989A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for forming powder metallurgy parts

Assignee: General Bronze Corp
•
Filing: 1944-02-15
•
Granted: 1951-10-09
•
Expires: 1964-02-15
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Abstract

No abstract record available.

Inventors

  • 👤 Richard P Seelig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 05:51
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/06; B30B15/065; B22; B22F; B22F3/00; B22F3/02; B22F3/03; B30B11/00; B30B11/02; B30B11/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US137092A Cited
US765020A Cited
US1541358A Cited
US1624904A Cited
US1720592A Cited
US1679408A Cited
US2127994A Cited
US2253003A Cited
US2259094A Cited
US2300302A Cited
US2357407A Cited
US2411379A Cited
US2449515A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-10-08 1955-04-09 1955-10-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-10-08 1959-04-09 1959-10-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-10-08 1963-04-09 1963-10-09 $7700.00 Window Closed / Lapsed

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