|
The ornamental design for a visor frame for a protective helmet, as shown and described. |
|||||||||||||||||
FIG. 1 is a side elevational view of a visor frame for a protective helmet showing my new design;
FIG. 2 is a perspective view thereof; and
FIG. 3 is an enlarged top plan view thereof.
| Patent | Priority | Assignee | Title |
| D298476, | Dec 19 1984 | Visor frame for a protective helmet | |
| D360708, | Jun 05 1992 | Peltor, Aktiebolag | Helmet visor |
| D662672, | Sep 29 2010 | 3M Innovative Properties Company | Face shield holder |
| D672097, | Sep 03 2010 | GALVION LTD | Cover |
| D747560, | May 30 2014 | 3M Innovative Properties Company | Helmet bracket |
| D779790, | Feb 04 2015 | Cap shade extender | |
| D936908, | Jun 09 2020 | Lincoln Global, Inc. | Chin guard for a face shield |
| Patent | Priority | Assignee | Title |
| 4023210, | May 21 1975 | Universal flip-up attachment for helmets | |
| 168057, | |||
| D250496, | Aug 08 1976 | RACAL ACOUSTIC SERVICES LIMITED | Head seal for an anti-dust helmet |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 16 1981 | Hellberg Protection Aktiebolag | (assignment on the face of the patent) | / | |||
| Sep 19 1983 | HELLBERG, ARNE | HELLBERG PROTECTION AKTIEBOLAG P O BOX 90, 443 01 LERUM, SWEDEN A COMPANY OF SWEDEN | ASSIGNMENT OF ASSIGNORS INTEREST | 004174 | /0424 |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |