Description
Class A47L : DOMESTIC WASHING OR CLEANING
Subclass 4/00: Cleaning window shades, window screens, venetian blinds (A47L 1/15 takes precedence; suction cleaner nozzles A47L 9/02)
A47L 4/00
Sub-Class
Stats
- 5 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 21 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10968690 | Sunshade system for indoor brightness and temperature control | Dec 11, 18 | Apr 06, 21 | Not available |
| 10605000 | Window blinds that collect dust from air using electrostatic charge | Mar 07, 17 | Mar 31, 20 | Hall Labs LLC |
| 10428504 | Electronic toilet switchable between cold water and hot water and method of controlling same | May 26, 16 | Oct 01, 19 | HANYU GROUP JOINT-STOCK CO., LTD. |
| 9856442 | Windshield washer preparation and a method to make the preparation | Jul 24, 16 | Jan 02, 18 | Not available |
| 5095574 | Curved glass cleaning and buffing device | Mar 22, 91 | Mar 17, 92 | Not available |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 30 Months (last 2 years Issuances)
- 30 Months (last 5 years Issuances)