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US2821748A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for compacting and ejecting flanged articles by single plunger action

Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1953-05-08
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Granted: 1958-02-04
•
Expires: 1973-05-08
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Abstract

No abstract record available.

Inventors

  • 👤 Richard B Willi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 08:35
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1679408A Cited
US2325687A Cited
US2380659A Cited
US2449257A Cited
US2499980A Cited
US2570989A Cited
US2556951A Cited
US2481232A Cited
US2488581A Cited
US2509783A Cited
US2562876A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-02-03 1961-08-05 1962-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-02-03 1965-08-05 1966-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-02-03 1969-08-05 1970-02-04 $7700.00 Window Closed / Lapsed

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