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US3224137A Expired / Lapsed US ⏱️ 0.0 years remaining

Toy construction block set

Assignee: AG Spalding and Bros Inc
•
Filing: 1963-03-04
•
Granted: 1965-12-21
•
Expires: 1983-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 John H Wright
  • 👤 Myers Charles Stowe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:30
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/08; A63H33/086

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 139 words
IN A TOY CONSTRUCTION SET, THE COMBINATION INCLUDING A PLURALITY OF CONSTRUCTION BLOCKS HAVING THE SAME WIDTH BUT HAVING VARIOUS LENGTHS AND PROFILES, SAID BLOCKS HAVING HOLLOW BASE PORTIONS WITH AT LEAST ONE WALL OF SAID BASE PORTIONS DEFINING A GENERALLY KEYHOLE-SHAPED RECESS HAVING AN OUTWARDLY FLARED OPENING THEREINTO, A CONNECTOR MEANS FOR SECURING SAID BLOCKS TOGETHER IN WALL-TOWALL RELATIONSHIP, SAID CONNECTOR MEANS HAVING A GENERALLY H-SHAPED CONFIGURATION WITH A CYLINDRICAL CENTER PORTION DIMENSIONED FOR INSERTION THROUGH SAID FLARED OPENING AND INTO SAID RECESS, AND SAID CONNECTOR MEANS HAVING GENERALLY CHANNEL SHAPED END PIECES, SAID CONNECTOR MEANS BEING FORMED OF A RESILIENT MATERIAL WHEREBY SAID MEANS IS DEFORMABLE UNDER PRESSURE TO ALLOW SAID CONNECTOR MEANS TO BE INSERTED INTO TWO OF SAID RECESSES AND WHEN SAID PRESSURE IS RELEASED SAID END PIECES TIGHTLY GRIP TWO OF SAID WALLS THEREBETWEEN.
Claim 2
Dependent Claim 139 words
IN A TOY CONSTRUCTION SET, THE COMBINATION INCLUDING A PLURALITY OF CONSTRUCTION BLOCKS HAVING THE SAME WIDTH BUT HAVING VARIOUS LENGTHS AND PROFILES, SAID BLOCKS HAVING HOLLOW BASE PORTIONS WITH AT LEAST ONE WALL OF SAID BASE PORTIONS DEFINING A GENERALLY KEYHOLE-SHAPED RECESS HAVING AN OUTWARDLY FLARED OPENING THEREINTO, A CONNECTOR MEANS FOR SECURING SAID BLOCKS TOGETHER IN WALL-TOWALL RELATIONSHIP, SAID CONNECTOR MEANS HAVING A GENERALLY H-SHAPED CONFIGURATION WITH A CYLINDRICAL CENTER PORTION DIMENSIONED FOR INSERTION THROUGH SAID FLARED OPENING AND INTO SAID RECESS, AND SAID CONNECTOR MEANS HAVING GENERALLY CHANNEL SHAPED END PIECES, SAID CONNECTOR MEANS BEING FORMED OF A RESILIENT MATERIAL WHEREBY SAID MEANS IS DEFORMABLE UNDER PRESSURE TO ALLOW SAID CONNECTOR MEANS TO BE INSERTED INTO TWO OF SAID RECESSES AND WHEN SAID PRESSURE IS RELEASED SAID END PIECES TIGHTLY GRIP TWO OF SAID WALLS THEREBETWEEN.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-20 1969-06-21 1969-12-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-20 1973-06-21 1973-12-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-20 1977-06-21 1977-12-21 $7700.00 Window Closed / Lapsed

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