Sylvania Industrial Corp
Sylvania IActive Patents
0
Total Holdings
32
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB524777A | Process and apparatus for making tubing and product so prod… | Expired / Lapsed | 1939-02-07 | — | 0 | Details |
| GB373986A | Improvements in cellulose articles and method of making same | Expired / Lapsed | 1930-11-28 | — | 0 | Details |
| US2411239A | Apparatus for dialyzing | Expired / Lapsed | 1943-07-08 | 1946-11-19 | 0 | Details |
| US2401798A | Process of forming and pretesting casings | Expired / Lapsed | 1941-06-24 | 1946-06-11 | 0 | Details |
| US2390780A | Process of making coated textile materials and the articles… | Expired / Lapsed | 1943-10-02 | 1945-12-11 | 0 | Details |
| US2386826A | Process and apparatus for treating fluid compositions | Expired / Lapsed | 1942-01-10 | 1945-10-16 | 0 | Details |
| US2386381A | Process of producing a plasticizing composition | Expired / Lapsed | 1942-09-12 | 1945-10-09 | 0 | Details |
| US2383728A | Package | Expired / Lapsed | 1942-08-19 | 1945-08-28 | 0 | Details |
| US2361000A | Process for making dialyzing membranes and article so produ… | Expired / Lapsed | 1941-10-06 | 1944-10-24 | 0 | Details |
| US2357392A | Process for producing fibrous products | Expired / Lapsed | 1941-03-01 | 1944-09-05 | 0 | Details |
| US2354498A | Closure fastener | Expired / Lapsed | 1941-12-04 | 1944-07-25 | 0 | Details |
| US2346417A | Shrinkable article and process of producing the same | Expired / Lapsed | 1941-05-17 | 1944-04-11 | 0 | Details |
| US2346187A | Method for producing and treating tubing | Expired / Lapsed | 1939-11-22 | 1944-04-11 | 0 | Details |
| US2337927A | Apparatus for making tubing | Expired / Lapsed | 1938-02-19 | 1943-12-28 | 0 | Details |
| US2319834A | Process for treating textiles | Expired / Lapsed | 1939-12-22 | 1943-05-25 | 0 | Details |
| US2313058A | Textile product and method of making the same | Expired / Lapsed | 1941-07-17 | 1943-03-09 | 0 | Details |
| US2306781A | Product containing siliceous fibers and method of making th… | Expired / Lapsed | 1941-07-17 | 1942-12-29 | 0 | Details |
| US2289039A | Process for making textile fibers | Expired / Lapsed | 1939-06-14 | 1942-07-07 | 0 | Details |
| US2259796A | Process for treating materials and products produced | Expired / Lapsed | 1939-12-30 | 1941-10-21 | 0 | Details |
| US2252999A | Article and process for the manufacture thereof | Expired / Lapsed | 1938-04-13 | 1941-08-19 | 0 | Details |
| US2250430A | Process and apparatus for forming tubing | Expired / Lapsed | 1935-06-08 | 1941-07-22 | 0 | Details |
| US2240274A | Article and process and apparatus for producing the same | Expired / Lapsed | 1936-08-07 | 1941-04-29 | 0 | Details |
| US2234360A | Emergency apparatus | Expired / Lapsed | 1940-07-01 | 1941-03-11 | 0 | Details |
| US2227682A | Method of making striped pellicles | Expired / Lapsed | 1939-01-25 | 1941-01-07 | 0 | Details |
| US2220221A | Process and apparatus for making closure sleeves for contai… | Expired / Lapsed | 1937-12-11 | 1940-11-05 | 0 | Details |
| US2172426A | Tubing and process of producing the same | Expired / Lapsed | 1935-12-20 | 1939-09-12 | 0 | Details |
| US2171140A | Pressure sensitive adhesive sheet | Expired / Lapsed | 1936-08-01 | 1939-08-29 | 0 | Details |
| US2161561A | Container closure and process for producing the same | Expired / Lapsed | 1937-03-02 | 1939-06-06 | 0 | Details |
| US2070247A | Tubing and process and apparatus for producing the same | Expired / Lapsed | 1934-09-01 | 1937-02-09 | 0 | Details |
| US2018705A | Cigar container | Expired / Lapsed | 1934-05-14 | 1935-10-29 | 0 | Details |
| US1997106A | Coating composition | Expired / Lapsed | 1932-11-02 | 1935-04-09 | 0 | Details |
| US1994057A | Yarn and method for its production | Expired / Lapsed | 1933-04-15 | 1935-03-12 | 0 | Details |