|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D982152
|
|
Priority
Jun 26 2021
|
|
Filed
Aug 22 2021
|
|
Issued
Mar 28 2023
|
|
Expiry
Mar 28 2038
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
2
|
|
13
|
|
n/a
|
|
|
|
The ornamental design for a mask, as shown and described.
|
FIG. 1 is a left side elevation view showing the ornamental design of a mask;
FIG. 2 is a front side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6. is a back side elevation view thereof; and,
FIG. 7 is a perspective view thereof.
Pietranera, Guido
| Patent |
Priority |
Assignee |
Title |
| 10945469, |
Jun 04 2020 |
Grove Biomedical, LLC |
Respirator |
| 4179274, |
Jan 07 1976 |
|
Respirator filter and method of making the same |
| 4573464, |
Aug 07 1981 |
|
Filter respirator for protection against smoke and toxic gases |
| 4793343, |
Aug 20 1987 |
|
Respiratory heated face mask |
| 20100269831, |
|
|
|
| 20210298385, |
|
|
|
| 20210307414, |
|
|
|
| 20210316170, |
|
|
|
| 20210346730, |
|
|
|
| 20210346736, |
|
|
|
| 20210353972, |
|
|
|
| 20210379423, |
|
|
|
| 20220000195, |
|
|
|
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a