GB1289528A - - Google Patents
Info
- Publication number
- GB1289528A GB1289528A GB2142069A GB1289528DA GB1289528A GB 1289528 A GB1289528 A GB 1289528A GB 2142069 A GB2142069 A GB 2142069A GB 1289528D A GB1289528D A GB 1289528DA GB 1289528 A GB1289528 A GB 1289528A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plate
- shading
- april
- paper
- drawing paper
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/24—Devices for generating stepwise movements of drawing equipment, e.g. for hatching
Landscapes
- Printing Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2142069 | 1969-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1289528A true GB1289528A (enrdf_load_stackoverflow) | 1972-09-20 |
Family
ID=10162643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2142069A Expired GB1289528A (enrdf_load_stackoverflow) | 1969-04-26 | 1969-04-26 |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU1431170A (enrdf_load_stackoverflow) |
FR (1) | FR2040261A1 (enrdf_load_stackoverflow) |
GB (1) | GB1289528A (enrdf_load_stackoverflow) |
ZA (1) | ZA702655B (enrdf_load_stackoverflow) |
-
1969
- 1969-04-26 GB GB2142069A patent/GB1289528A/en not_active Expired
-
1970
- 1970-04-21 ZA ZA702655A patent/ZA702655B/xx unknown
- 1970-04-24 FR FR7014985A patent/FR2040261A1/fr not_active Withdrawn
- 1970-04-24 AU AU14311/70A patent/AU1431170A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ZA702655B (en) | 1971-01-27 |
FR2040261A1 (enrdf_load_stackoverflow) | 1971-01-22 |
AU1431170A (en) | 1971-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |