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US2822571A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for making hollow frankfurters

Assignee: LLEWELYN B STEARNS
•
Filing: 1953-07-20
•
Granted: 1958-02-11
•
Expires: 1973-07-20
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond M Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:46
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/02; A23; A23L; A23L13/00; A23L13/60

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1107184A Cited
US2186435A Cited
US2240522A Cited
US2635561A Cited
US2568491A Cited
US2580726A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-02-10 1961-08-12 1962-02-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-02-10 1965-08-12 1966-02-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-02-10 1969-08-12 1970-02-11 $7700.00 Window Closed / Lapsed

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