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Class Information
Number: D25/113
Name: Building units and construction elements > Architectural stock material > Construction block or brick type (20)
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| D251204 |
Building construction block |
Feb. 27, 1979 |
| D250898 |
Building block |
Jan. 23, 1979 |
| 4128357 |
Slab-elements for covering the ground |
Dec. 5, 1978 |
| 4124961 |
Building brick |
Nov. 14, 1978 |
| 4121397 |
Wooden building bricks |
Oct. 24, 1978 |
| D249704 |
Combined vent and block baffle |
Sep. 26, 1978 |
| D249558 |
Combined elastic frame and mold block for fireproof feed-through of electric cables or the like |
Sep. 19, 1978 |
| D249559 |
Combined elastic frame and mold block for fireproof feed-through of electric cables or the like |
Sep. 19, 1978 |
| D249231 |
Combined packaging container and toy construction block |
Sep. 5, 1978 |
| D249232 |
Combined packaging container and toy construction block |
Sep. 5, 1978 |
| 4094380 |
Multi layer sound-proofing structure |
Jun. 13, 1978 |
| 4083155 |
Thermally insulated enclosure |
Apr. 11, 1978 |
| 4070216 |
Method of producing a bas-relief with a motif which varies with light and the bas-relief thus obtained |
Jan. 24, 1978 |
| 4068482 |
Retaining wall structure using precast stretcher sections |
Jan. 17, 1978 |
| D246544 |
Folding puzzle |
Nov. 29, 1977 |
| D246386 |
Concrete block |
Nov. 15, 1977 |
| D246056 |
Concrete sleeper block |
Oct. 11, 1977 |
| 4041660 |
Self-aligning blocks |
Aug. 16, 1977 |
| 4040225 |
Building block and wall construction |
Aug. 9, 1977 |
| 4039280 |
Linings for high temperature ovens |
Aug. 2, 1977 |
| D244992 |
Combined packaging container and toy construction block |
Jul. 12, 1977 |
| 4016692 |
Composite paving structures and laying units therefor |
Apr. 12, 1977 |
| 4011683 |
Sectional toy block |
Mar. 15, 1977 |
| 3990198 |
System for sepulchral urn (post cremation) burial |
Nov. 9, 1976 |
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