NL255924A - - Google Patents
Info
- Publication number
- NL255924A NL255924A NL255924DA NL255924A NL 255924 A NL255924 A NL 255924A NL 255924D A NL255924D A NL 255924DA NL 255924 A NL255924 A NL 255924A
- Authority
- NL
- Netherlands
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)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1959S0031933 DE1813648U (de) | 1959-09-30 | 1959-09-30 | Vorrichtung zum anzeigen der verstopfung eines staubsaugerfilters. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL255924A true NL255924A (no) |
Family
ID=7480679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL255924D NL255924A (no) | 1959-09-30 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH397980A (no) |
| DE (1) | DE1813648U (no) |
| GB (1) | GB905474A (no) |
| NL (1) | NL255924A (no) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL274310A (no) * | 1961-02-04 | |||
| DE1180905B (de) * | 1962-05-04 | 1964-11-05 | Siemens Elektrogeraete Gmbh | Anzeigevorrichtung fuer den Verstopfungsgrad eines Staubsaugerfilters |
| FR2246192A5 (no) * | 1973-10-01 | 1975-04-25 | Bosch Gmbh Robert | |
| US10080475B2 (en) * | 2014-12-16 | 2018-09-25 | Lowe's Companies, Inc. | Indicators of cleaning effectiveness of vacuum cleaners and systems to facilitate comparisons of cleaning effectiveness of vacuum cleaners |
-
0
- NL NL255924D patent/NL255924A/xx unknown
-
1959
- 1959-09-30 DE DE1959S0031933 patent/DE1813648U/de not_active Expired
-
1960
- 1960-08-30 CH CH976360A patent/CH397980A/de unknown
- 1960-09-28 GB GB3337160A patent/GB905474A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB905474A (en) | 1962-09-12 |
| CH397980A (de) | 1965-08-31 |
| DE1813648U (de) | 1960-06-23 |