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US2645044A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for pressing sheets

Assignee: Individual
•
Filing: 1948-09-04
•
Granted: 1953-07-14
•
Expires: 1968-09-04
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Abstract

No abstract record available.

Inventors

  • 👤 Zimarik John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 14:08
CPC Classifications
D; D06; D06F; D06F71/00; D06F71/32; D06F71/34; D06F89/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US454798A Cited
US883793A Cited
US1824073A Cited
US1982454A Cited
GB546731A Cited
US2445504A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-07-13 1957-01-12 1957-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-07-13 1961-01-12 1961-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-07-13 1965-01-12 1965-07-14 $7700.00 Window Closed / Lapsed

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