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US3331175A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming decorative face building units

Assignee: Individual
•
Filing: 1964-05-14
•
Granted: 1967-07-18
•
Expires: 1984-05-14
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Abstract

No abstract record available.

Inventors

  • 👤 Harry H Terrio

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:39
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0007

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 67 words
A DECORATIVE FACE CONCRETE UNIT CONSISTING OF A CONCRETE BLOCK, A PLURALITY OF ROCKS EMBEDDED IN ONE FACE OF SAID BLOCK AND PROJECTING THEREFROM, AND A PERIPHERAL DEPRESSION IN SAID ONE FACE SURROUNDING EACH ROCK AND GENERALLY CONFORMING TO THE EXPOSED PERIPHERY THEROF, SAID ONE FACE SMOOTHLY BULGING OUTWARD BETWEEN THE ROCK SURROUNDING DEPRESSIONS AND DEFINING, IN CONJUNCTION WITH SAID DEPRESSION, A SHADOW EFFECT ABOUT EACH BLOCK.

References Cited (Backward Citations)

US1087974A Cited
US1169985A Cited
US1747249A Cited
US2151420A Cited
GB732431A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-17 1971-01-16 1971-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-17 1975-01-16 1975-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-17 1979-01-16 1979-07-18 $7700.00 Window Closed / Lapsed

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