Patent
   D250496
Priority
Aug 08 1976
Filed
Jan 07 1977
Issued
Dec 12 1978
Expiry
Dec 12 1992
Assg.orig
Entity
unknown
26
3
n/a
The ornamental design for a head seal for an anti-dust helmet, as shown.

FIG. 1 is a perspective view of a head seal for an anti-dust helmet showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a top plan view thereof.

Odell, Raymond, Lowe, Brian A.

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D276380, Feb 17 1981 HELLBERG PROTECTION AKTIEBOLAG P O BOX 90, 443 01 LERUM, SWEDEN A COMPANY OF SWEDEN Visor frame for a protective helmet
D298476, Dec 19 1984 Visor frame for a protective helmet
D332844, Nov 27 1989 Face guard for a motorcycle helmet
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D597710, Apr 03 2008 3M Innovative Properties Company Headgear article having recessed portions
D612544, Apr 03 2008 3M Innovative Properties Company Visor frame for headgear article
D685938, Feb 27 2013 ILLUMAGEAR, INC Light-emitting device for headgear
D742049, Jan 13 2014 ILLUMAGEAR, INC Light-emitting device for headgear
D753857, Apr 18 2014 SUMITA OPTICAL GLASS, INC Helmet-mounted light
D809686, May 20 2016 ILLUMAGEAR, INC Light-emitting device for headgear
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D982836, Jul 31 2020 NOLANGROUP SPA Rear spoiler for helmet
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 30 1980RACAL ACOUSTIC SERVICES LIMITEDRacal Safety LimitedASSIGNMENT OF ASSIGNORS INTEREST 0038220271 pdf
Oct 28 1980AMPLIVOX COMMUNICATIONS LIMITED CHANGED TO RACAL ACOUSTIC SERVICES LIMITEDCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0038220279 pdf
Oct 28 1980RACAL ACOUSTIC SERVICES LIMITED CHANGED TO RACAL ACOUSTIC SERVICES LIMITEDCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0038220279 pdf
Oct 28 1980RACAL-AMPLIVOX COMMUNICATIONS LIMITED CHANGED TO RACAL ACOUSTIC SERVICES LIMITEDCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0038220279 pdf
Oct 28 1980RACAL AMPLIVOX LIMITEDRACAL ACOUSTIC SERVICES LIMITEDCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0038220279 pdf
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