 Up: Patent Index |
250,635 · McLean · "Manufacture of Glass Building-Blocks for Sea-Walls, &c." · Page 2 Home > Prism Glass > Patent Index > Page 2 |
 250,635: 2 of 3 |
|
Up: Patent Index |
250,635 · McLean · "Manufacture of Glass Building-Blocks for Sea-Walls, &c." · Page 2 Home > Prism Glass > Patent Index > Page 2 |
250,635: 2 of 3 |
|
waters, &c., I do not restrict myself to any particular size, form,
or mode of making the blocks. Having thus described my invention, I claim— 1. A building-block made of glass, provided with tongues and grooves or other interlocking devices, for the construction of sea-walls, docks, breakwaters, dykes, &c. 2. Blocks of glass for building sea-walls, |
docks, breakwaters, or other analogous structures, substantially as and
for the purpose specified. In testimony whereof I hereto affic my signature in the presence of two witnesses. specified.
A. H. BETZ, T. C. BRECHT. |