Description
ARTICLES FOR WRITING OR DRAWING UPON; ACCESSORIES FOR WRITING OR DRAWING (workshop equipment for marking-out work B25H 7/00; teaching hand-writing or drawing G09B 11/00)
B43L
Technology
Sub-Class
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- 0 651 US PATENTS IN FORCE
- 136 US APPLICATIONS PENDING
- 886 Total Patent Owners
- 3506 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L 5/00) |
| 1/02 | Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L 5/00) Slates |
| 1/04 | Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L 5/00) Blackboards (easels or stands for blackboards A47B 97/04) |
| 1/06 | Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L 5/00) Blackboards (easels or stands for blackboards A47B 97/04) rigid |
| 1/08 | Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L 5/00) Blackboards (easels or stands for blackboards A47B 97/04) flexible |
Recent Patents
Not AvailableRecent Publications
Not AvailableTop Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)
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