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US2480477A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for removing forms from concrete blocks

Assignee: Individual
•
Filing: 1946-08-13
•
Granted: 1949-08-30
•
Expires: 1966-08-13
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Abstract

No abstract record available.

Inventors

  • 👤 Forrest H Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 17:46
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/10; B28B7/12; E; E04; E04G; E04G19/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1806861A Cited
US1146413A Cited
US2168285A Cited
US2138620A Cited
US2314823A Cited
US2281133A Cited
US2292410A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-08-29 1953-02-28 1953-08-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-08-29 1957-02-28 1957-08-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-08-29 1961-02-28 1961-08-30 $7700.00 Window Closed / Lapsed

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