GB570489A - - Google Patents
Info
- Publication number
- GB570489A GB570489A GB570489DA GB570489A GB 570489 A GB570489 A GB 570489A GB 570489D A GB570489D A GB 570489DA GB 570489 A GB570489 A GB 570489A
- Authority
- GB
- United Kingdom
- Prior art keywords
- marked
- disc
- spaced
- graduations
- calendars
- 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
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB570489A true GB570489A (enExample) |
Family
ID=1748997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB570489D Active GB570489A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB570489A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202060A (en) * | 1987-03-13 | 1988-09-14 | Nicola Dentamaro | A perpetual calendar |
-
0
- GB GB570489D patent/GB570489A/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202060A (en) * | 1987-03-13 | 1988-09-14 | Nicola Dentamaro | A perpetual calendar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB570489A (enExample) | ||
| US2006485A (en) | Calendar | |
| GB1301721A (enExample) | ||
| US6826857B1 (en) | Perpetual calendar | |
| GB244263A (enExample) | ||
| US3717299A (en) | Calendar and date computer | |
| US1600874A (en) | Calendar | |
| GB698886A (enExample) | ||
| US3546801A (en) | Adjustable calendar | |
| GB190003842A (en) | Improvements in Calendars and Date Calculators. | |
| GB339571A (enExample) | ||
| GB190603739A (en) | Improvements in Perpetual Calendars. | |
| GB364840A (enExample) | ||
| US1556873A (en) | Pad | |
| GB612083A (enExample) | ||
| US1438724A (en) | Perpetual calendar | |
| US2116288A (en) | schoenbaum | |
| GB1291598A (en) | Perpetual calendar | |
| GB1163032A (en) | Improvements in or relating to Calendar Devices. | |
| GB477970A (enExample) | ||
| GB571544A (enExample) | ||
| GB190900137A (en) | Improvements in Calendar Frames and Cards. | |
| GB1223736A (en) | Perpetual yearly calendar | |
| GB190515426A (en) | Improved Perpetual Calendar | |
| GB189827378A (en) | Adjustable Perpetual Calendar and Date Calculator. |