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US3137909A Expired / Lapsed US ⏱️ 0.0 years remaining

Concrete wall form panel with oversized panel facing

Assignee: General Electric Co
•
Filing: 1962-06-22
•
Granted: 1964-06-23
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Expires: 1982-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence G Bonin
  • 👤 George F Bowden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:28
CPC Classifications
E; E04; E04G; E04G9/00; E04G9/02; E04G2009/023; E04G2009/025

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 187 words
FOR USE IN A CONCRETE WALL FORM INSTALLATION, A PANEL INCLUDING A RECTANGULAR PLYWOOD FACING AND A MARGINAL RECTANGULAR METAL REINFORCING FRAME THEREFOR, INCLUDING SPACED PARALLEL OPPOSED LONGITUDINALLY AND TRANSVERSELY EXTENDING FRAME BARS, SAID FRAME BARS DEFINING A RECTANGULAR FRAME OPENING, EACH FRAME BAR BEING FORMED WITH AN INWARDLY AND FORWARDLY FACING ANGULAR RECESS IN THE FORWARD EDGE THEREOF PRESENTING A BOTTOM FACE AND A SIDE FACE, THE VARIOUS RECESSES DEFINING A CONTINUOUS MARGINAL GROOVE IN THE FORWARD RIM OF THE RECTANGULAR FRAME, SAID PLYWOOD FACING HAVING ITS EDGE REGIONS SEATED ON THE BOTTOM FACES OF SAID RECESSES WITH THE EDGES PROPER SPACED INWARDLY FROM THE SIDE FACES OF THE RECESSES, SAID PLYWOOD FACING BEING OF A THICKNESS GREATER THAN THE DEPTH OF THE RECESSES SO THAT THE PLANE OF THE FORWARD FACE OF THE FACING LIES FORWARDLY OF THE RIM OF THE RECTANGULAR FRAME, AND ELASTOMERIC FILLER STRIPS OF GENERALLY RIGHT ANGLE CROSS SECTIONAL CONFIGURATION HAVING LATERAL FLANGES OVERLYING THE FORWARD EDGES OF THE FRAME BARS, AND COMPRESSIBLE FLANGES INTERPOSED BETWEEN THE SIDE FACES OF THE RECESSES AND THE OPPOSED EDGES PROPER OF THE PANEL FACING.
Claim 2
Dependent Claim 187 words
FOR USE IN A CONCRETE WALL FORM INSTALLATION, A PANEL INCLUDING A RECTANGULAR PLYWOOD FACING AND A MARGINAL RECTANGULAR METAL REINFORCING FRAME THEREFOR, INCLUDING SPACED PARALLEL OPPOSED LONGITUDINALLY AND TRANSVERSELY EXTENDING FRAME BARS, SAID FRAME BARS DEFINING A RECTANGULAR FRAME OPENING, EACH FRAME BAR BEING FORMED WITH AN INWARDLY AND FORWARDLY FACING ANGULAR RECESS IN THE FORWARD EDGE THEREOF PRESENTING A BOTTOM FACE AND A SIDE FACE, THE VARIOUS RECESSES DEFINING A CONTINUOUS MARGINAL GROOVE IN THE FORWARD RIM OF THE RECTANGULAR FRAME, SAID PLYWOOD FACING HAVING ITS EDGE REGIONS SEATED ON THE BOTTOM FACES OF SAID RECESSES WITH THE EDGES PROPER SPACED INWARDLY FROM THE SIDE FACES OF THE RECESSES, SAID PLYWOOD FACING BEING OF A THICKNESS GREATER THAN THE DEPTH OF THE RECESSES SO THAT THE PLANE OF THE FORWARD FACE OF THE FACING LIES FORWARDLY OF THE RIM OF THE RECTANGULAR FRAME, AND ELASTOMERIC FILLER STRIPS OF GENERALLY RIGHT ANGLE CROSS SECTIONAL CONFIGURATION HAVING LATERAL FLANGES OVERLYING THE FORWARD EDGES OF THE FRAME BARS, AND COMPRESSIBLE FLANGES INTERPOSED BETWEEN THE SIDE FACES OF THE RECESSES AND THE OPPOSED EDGES PROPER OF THE PANEL FACING.

References Cited (Backward Citations)

US2170637A Cited
US2953835A Cited
US2985938A Cited
US2997769A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-23 1967-12-23 1968-06-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-23 1971-12-23 1972-06-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-23 1975-12-23 1976-06-23 $7700.00 Window Closed / Lapsed

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