US2211093A - Statistical card punch - Google Patents
Statistical card punch Download PDFInfo
- Publication number
- US2211093A US2211093A US140833A US14083337A US2211093A US 2211093 A US2211093 A US 2211093A US 140833 A US140833 A US 140833A US 14083337 A US14083337 A US 14083337A US 2211093 A US2211093 A US 2211093A
- Authority
- US
- United States
- Prior art keywords
- braun
- card punch
- sheets
- sheet
- statistical card
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Lead Frames For Integrated Circuits (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE425577D BE425577A (fr) | 1937-05-05 | ||
NL55280D NL55280C (fr) | 1937-05-05 | ||
US140833A US2211093A (en) | 1937-05-05 | 1937-05-05 | Statistical card punch |
GB10305/38A GB510910A (en) | 1937-05-05 | 1938-04-04 | Improvements in or relating to statistical card punching machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US140833A US2211093A (en) | 1937-05-05 | 1937-05-05 | Statistical card punch |
Publications (1)
Publication Number | Publication Date |
---|---|
US2211093A true US2211093A (en) | 1940-08-13 |
Family
ID=22492980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US140833A Expired - Lifetime US2211093A (en) | 1937-05-05 | 1937-05-05 | Statistical card punch |
Country Status (4)
Country | Link |
---|---|
US (1) | US2211093A (fr) |
BE (1) | BE425577A (fr) |
GB (1) | GB510910A (fr) |
NL (1) | NL55280C (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2515012A (en) * | 1946-02-23 | 1950-07-11 | William R Kreider | Means to punch any card of a predetermined value within a group of cards |
DE859071C (de) * | 1950-02-19 | 1952-12-11 | Ibm Deutschland | Speichereinrichtung fuer Lochkartenmaschinen |
US2643056A (en) * | 1950-02-02 | 1953-06-23 | Powers Samas Account Mach Ltd | Apparatus for comparing statistical record cards |
-
0
- NL NL55280D patent/NL55280C/xx active
- BE BE425577D patent/BE425577A/xx unknown
-
1937
- 1937-05-05 US US140833A patent/US2211093A/en not_active Expired - Lifetime
-
1938
- 1938-04-04 GB GB10305/38A patent/GB510910A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2515012A (en) * | 1946-02-23 | 1950-07-11 | William R Kreider | Means to punch any card of a predetermined value within a group of cards |
US2643056A (en) * | 1950-02-02 | 1953-06-23 | Powers Samas Account Mach Ltd | Apparatus for comparing statistical record cards |
DE859071C (de) * | 1950-02-19 | 1952-12-11 | Ibm Deutschland | Speichereinrichtung fuer Lochkartenmaschinen |
Also Published As
Publication number | Publication date |
---|---|
BE425577A (fr) | |
NL55280C (fr) | |
GB510910A (en) | 1939-08-10 |
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