Tabulating Machine Co
TabulatingActive Patents
0
Total Holdings
23
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US1919219A | Card printing and punching mechanism | Expired / Lapsed | 1931-08-22 | 1933-07-25 | 0 | Details |
| US1916964A | Printing mechanism | Expired / Lapsed | 1930-06-26 | 1933-07-04 | 0 | Details |
| US1916997A | Machine for calculatively interpreting perforated cards | Expired / Lapsed | 1928-03-01 | 1933-07-04 | 0 | Details |
| US1909550A | Printing device | Expired / Lapsed | 1931-10-29 | 1933-05-16 | 0 | Details |
| US1882796A | Card counter | Expired / Lapsed | 1928-04-06 | 1932-10-18 | 0 | Details |
| US1867025A | Combinational hole punch | Expired / Lapsed | 1930-04-07 | 1932-07-12 | 0 | Details |
| US1866995A | Tabulating machine | Expired / Lapsed | 1925-09-14 | 1932-07-12 | 0 | Details |
| US1853443A | Record card with printed index points | Expired / Lapsed | 1927-07-01 | 1932-04-12 | 0 | Details |
| US1848106A | Key adding device for tabulating machines | Expired / Lapsed | 1926-11-23 | 1932-03-08 | 0 | Details |
| US1834561A | Accounting machine and punching mechanism controlled thereby | Expired / Lapsed | 1925-04-04 | 1931-12-01 | 0 | Details |
| US1830756A | Counting attachment for accounting machines | Expired / Lapsed | 1927-01-25 | 1931-11-10 | 0 | Details |
| US1822594A | Tabulating machine | Expired / Lapsed | 1923-05-15 | 1931-09-08 | 0 | Details |
| US1821078A | Punch and typewriter controlling means therefor | Expired / Lapsed | 1924-08-14 | 1931-09-01 | 0 | Details |
| US1817511A | Card sorting machine | Expired / Lapsed | 1928-05-04 | 1931-08-04 | 0 | Details |
| US1803954A | Typewriter controlled perforating machine | Expired / Lapsed | 1927-06-02 | 1931-05-05 | 0 | Details |
| US1800596A | Printing and perforating machine | Expired / Lapsed | 1927-04-08 | 1931-04-14 | 0 | Details |
| US1741992A | Quick-setting device for brush holders | Expired / Lapsed | 1926-09-30 | 1929-12-31 | 0 | Details |
| US1723499A | Transfer device for accounting machines | Expired / Lapsed | 1924-06-21 | 1929-08-06 | 0 | Details |
| US1669238A | Alphabetical sorter | Expired / Lapsed | 1924-12-03 | 1928-05-08 | 0 | Details |
| US1651179A | Record-card-controlled machine for sorting and the like | Expired / Lapsed | 1924-11-22 | 1927-11-29 | 0 | Details |
| US1636405A | Apparatus for mechanically copying entries from cards or sh… | Expired / Lapsed | 1926-06-16 | 1927-07-19 | 0 | Details |
| US1342819A | Connector-plug | Expired / Lapsed | 1919-01-15 | 1920-06-08 | 0 | Details |
| US945236A | Registering apparatus for tabulating systems. | Expired / Lapsed | 1905-08-17 | 1910-01-04 | 0 | Details |