GB2321985B - Slide rule - Google Patents
Slide ruleInfo
- Publication number
- GB2321985B GB2321985B GB9802309A GB9802309A GB2321985B GB 2321985 B GB2321985 B GB 2321985B GB 9802309 A GB9802309 A GB 9802309A GB 9802309 A GB9802309 A GB 9802309A GB 2321985 B GB2321985 B GB 2321985B
- Authority
- GB
- United Kingdom
- Prior art keywords
- slide rule
- rule
- slide
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Entrepreneurship & Innovation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Drawing Aids And Blackboards (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9702343.6A GB9702343D0 (en) | 1997-02-05 | 1997-02-05 | Slide rule |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9802309D0 GB9802309D0 (en) | 1998-04-01 |
GB2321985A GB2321985A (en) | 1998-08-12 |
GB2321985B true GB2321985B (en) | 2001-09-05 |
Family
ID=10807126
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9702343.6A Pending GB9702343D0 (en) | 1997-02-05 | 1997-02-05 | Slide rule |
GB9802309A Expired - Fee Related GB2321985B (en) | 1997-02-05 | 1998-02-03 | Slide rule |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9702343.6A Pending GB9702343D0 (en) | 1997-02-05 | 1997-02-05 | Slide rule |
Country Status (2)
Country | Link |
---|---|
CY (1) | CY2244B1 (en) |
GB (2) | GB9702343D0 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB318150A (en) * | 1928-08-28 | 1930-06-26 | Fernand Joseph Bourgeois | Toy slide rule |
GB706807A (en) * | 1951-11-21 | 1954-04-07 | Skolmaterieldistrib A B | Improvements in devices for illustrating and teaching the elementary technic of calculating |
GB1113256A (en) * | 1966-02-04 | 1968-05-08 | Rhone Poulenc Sa | Slide rule |
US3790074A (en) * | 1973-04-12 | 1974-02-05 | R Zemanek | Universal unit-converting slide rule |
US4292507A (en) * | 1976-10-28 | 1981-09-29 | Hovorka J Warren | Football statistic pegboard |
WO1995025993A1 (en) * | 1994-03-21 | 1995-09-28 | Seleburni Sas | Acid-base equilibrium slide-rule |
-
1997
- 1997-02-05 GB GBGB9702343.6A patent/GB9702343D0/en active Pending
-
1998
- 1998-02-03 GB GB9802309A patent/GB2321985B/en not_active Expired - Fee Related
-
2001
- 2001-10-30 CY CY0100034A patent/CY2244B1/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB318150A (en) * | 1928-08-28 | 1930-06-26 | Fernand Joseph Bourgeois | Toy slide rule |
GB706807A (en) * | 1951-11-21 | 1954-04-07 | Skolmaterieldistrib A B | Improvements in devices for illustrating and teaching the elementary technic of calculating |
GB1113256A (en) * | 1966-02-04 | 1968-05-08 | Rhone Poulenc Sa | Slide rule |
US3790074A (en) * | 1973-04-12 | 1974-02-05 | R Zemanek | Universal unit-converting slide rule |
US4292507A (en) * | 1976-10-28 | 1981-09-29 | Hovorka J Warren | Football statistic pegboard |
WO1995025993A1 (en) * | 1994-03-21 | 1995-09-28 | Seleburni Sas | Acid-base equilibrium slide-rule |
Also Published As
Publication number | Publication date |
---|---|
CY2244B1 (en) | 2003-07-04 |
GB9802309D0 (en) | 1998-04-01 |
GB9702343D0 (en) | 1997-03-26 |
GB2321985A (en) | 1998-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20090203 |