NL17499C - - Google Patents
Info
- Publication number
- NL17499C NL17499C NL30707A NL30707A NL17499C NL 17499 C NL17499 C NL 17499C NL 30707 A NL30707 A NL 30707A NL 30707 A NL30707 A NL 30707A NL 17499 C NL17499 C NL 17499C
- Authority
- NL
- Netherlands
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
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
- B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements
-
- 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
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
- B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/40—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by indirect contact with preheated fluid other than hot combustion gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Adornments (AREA)
- Catching Or Destruction (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1920346074D DE346074C (xx) | 1920-12-15 | 1920-12-15 | |
| CH90494D CH90494A (de) | 1920-12-15 | 1920-12-20 | Ellipsenzirkel. |
| GB36045/20A GB176915A (en) | 1920-12-15 | 1920-12-23 | Ellipsograph |
| FR529703D FR529703A (fr) | 1920-12-15 | 1921-01-07 | Compas à ellipse |
| US451359A US1411493A (en) | 1920-12-15 | 1921-03-10 | Ellipsograph |
| NL30707A NL17499C (xx) | 1920-12-15 | 1925-07-09 |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE346074T | 1920-12-15 | ||
| CH90494T | 1920-12-20 | ||
| GB36045/20A GB176915A (en) | 1920-12-15 | 1920-12-23 | Ellipsograph |
| FR529703T | 1921-01-07 | ||
| US451359A US1411493A (en) | 1920-12-15 | 1921-03-10 | Ellipsograph |
| NL30707A NL17499C (xx) | 1920-12-15 | 1925-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL17499C true NL17499C (xx) | 1927-07-15 |
Family
ID=40394418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30707A NL17499C (xx) | 1920-12-15 | 1925-07-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1411493A (xx) |
| CH (1) | CH90494A (xx) |
| DE (1) | DE346074C (xx) |
| FR (1) | FR529703A (xx) |
| GB (1) | GB176915A (xx) |
| NL (1) | NL17499C (xx) |
-
1920
- 1920-12-15 DE DE1920346074D patent/DE346074C/de not_active Expired
- 1920-12-20 CH CH90494D patent/CH90494A/de unknown
- 1920-12-23 GB GB36045/20A patent/GB176915A/en not_active Expired
-
1921
- 1921-01-07 FR FR529703D patent/FR529703A/fr not_active Expired
- 1921-03-10 US US451359A patent/US1411493A/en not_active Expired - Lifetime
-
1925
- 1925-07-09 NL NL30707A patent/NL17499C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| CH90494A (de) | 1921-09-01 |
| GB176915A (en) | 1922-03-23 |
| US1411493A (en) | 1922-04-04 |
| DE346074C (xx) | 1921-12-23 |
| FR529703A (fr) | 1921-12-05 |