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US3415670A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and composition for surface finishing photographs or the like

Assignee: Mcdonald Photo Products Inc
•
Filing: 1965-04-01
•
Granted: 1968-12-10
•
Expires: 1985-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Charles D Mcdonald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:39
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1608281A Cited
US1720787A Cited
US1752011A Cited
US2131882A Cited
US2170187A Cited
US2468920A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-10 1972-06-10 1972-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-10 1976-06-10 1976-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-10 1980-06-10 1980-12-10 $7700.00 Window Closed / Lapsed

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