BE540239A - - Google Patents
Info
- Publication number
- BE540239A BE540239A BE540239DA BE540239A BE 540239 A BE540239 A BE 540239A BE 540239D A BE540239D A BE 540239DA BE 540239 A BE540239 A BE 540239A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/19—Means for monitoring filtering operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL331790X | 1954-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE540239A true BE540239A (de) |
Family
ID=19784396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE540239D BE540239A (de) | 1954-08-05 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE540239A (de) |
| CH (1) | CH331790A (de) |
| FR (1) | FR1128791A (de) |
| GB (1) | GB773117A (de) |
-
0
- BE BE540239D patent/BE540239A/xx unknown
-
1955
- 1955-07-29 CH CH331790D patent/CH331790A/de unknown
- 1955-08-02 GB GB22115/55A patent/GB773117A/en not_active Expired
- 1955-08-02 FR FR1128791D patent/FR1128791A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1128791A (fr) | 1957-01-10 |
| GB773117A (en) | 1957-04-24 |
| CH331790A (de) | 1958-08-15 |