GB244263A - - Google Patents
Info
- Publication number
- GB244263A GB244263A GB244263DA GB244263A GB 244263 A GB244263 A GB 244263A GB 244263D A GB244263D A GB 244263DA GB 244263 A GB244263 A GB 244263A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slide
- frame
- century
- numbers
- year
- 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.)
- Active
Links
Abstract
244,263. Hancock, W. Dec. 11, 1924. Perpetual calendars.-A perpetual calendar for exhibiting the dates of a year completely comprises a frame or sheet A, Fig. 1, with 12 apertures a, .. all for the months and an aperture a<12> for displaying year numbers of a, century marked on a removable slide B, Fig. 4. The slide is provided on both sides with sets of date figures arranged in thirteen columns as shown for cooperation with the apertures in the frame, one side being for ordinary years and the other for leap years. Above the aperture a<12> on the frame is a table a<13> of century numbers. The calendar is set when any year number on the slide B is moved to the column containing the century number. The date figures on the opposite sides of the slide B are in distinguishing colours as are also certain of the century numbers on the frame A and the leap year numbers appear only on one side of the slide.
Publications (1)
Publication Number | Publication Date |
---|---|
GB244263A true GB244263A (en) |
Family
ID=1738348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB244263D Active GB244263A (en) |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB244263A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2575555A (en) * | 1949-06-23 | 1951-11-20 | Plante Paul W La | Perpetual calendar |
US2841900A (en) * | 1958-07-08 | Multi-year calendar | ||
US2847778A (en) * | 1958-08-19 | opoczynski | ||
US3201884A (en) * | 1962-11-13 | 1965-08-24 | John L Aughey | Perpetual calendar |
GB2183372A (en) * | 1985-11-21 | 1987-06-03 | Nicholas Stewart Hunt | Perpetual monthly calendar |
GB2252852A (en) * | 1991-02-12 | 1992-08-19 | Geoffrey Cutting | Data collation devices |
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0
- GB GB244263D patent/GB244263A/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2841900A (en) * | 1958-07-08 | Multi-year calendar | ||
US2847778A (en) * | 1958-08-19 | opoczynski | ||
US2575555A (en) * | 1949-06-23 | 1951-11-20 | Plante Paul W La | Perpetual calendar |
US3201884A (en) * | 1962-11-13 | 1965-08-24 | John L Aughey | Perpetual calendar |
GB2183372A (en) * | 1985-11-21 | 1987-06-03 | Nicholas Stewart Hunt | Perpetual monthly calendar |
GB2252852A (en) * | 1991-02-12 | 1992-08-19 | Geoffrey Cutting | Data collation devices |
GB2252852B (en) * | 1991-02-12 | 1994-11-16 | Geoffrey Cutting | Data collation devices |
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