Patent US3224137A successfully refreshed from Google Patents.
US3224137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy construction block set
Assignee: AG Spalding and Bros Inc
•
Filing: 1963-03-04
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Granted: 1965-12-21
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 John H Wright
- 👤 Myers Charles Stowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:32
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.
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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 |