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US3066448A Expired / Lapsed US ⏱️ 0.0 years remaining

Concrete slab and supporting base

Assignee: Individual
•
Filing: 1959-09-14
•
Granted: 1962-12-04
•
Expires: 1979-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 George S Pinter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:42
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4114; E04B1/4121

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US614530A Cited
GB251308A Cited
US1761321A Cited
US1949045A Cited
AT113896B Cited
US1948093A Cited
GB466044A Cited
US2309451A Cited
US2466106A Cited
GB678972A Cited
US2881876A Cited
US2765135A Cited
US2812834A Cited
DE1008897B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-03 1966-06-04 1966-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-03 1970-06-04 1970-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-03 1974-06-04 1974-12-04 $7700.00 Window Closed / Lapsed

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