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US2777442A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1955-04-11
•
Granted: 1957-01-15
•
Expires: 1975-04-11
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Abstract

No abstract record available.

Inventors

  • 👤 Zelano Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:03
CPC Classifications
A; A44; A44C; A44C15/00; A44C15/0045; A44C15/0065; A62; A62B; A62B23/00; A62B23/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US810617A Cited
US907178A Cited
GB520491A Cited
US2672138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-15 1960-07-16 1961-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-15 1964-07-16 1965-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-15 1968-07-16 1969-01-15 $7700.00 Window Closed / Lapsed

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