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Patent
D340207
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Priority
Mar 08 1990
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Filed
Mar 08 1990
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Issued
Oct 12 1993
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Expiry
Oct 12 2007
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Assg.orig
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Entity
unknown
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5
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10
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n/a
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The ornamental design for the exterior surface of a double vented hatch cover, as shown and described.
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FIG. 1 is a top plan view of the exterior surface of a double vented hatch
cover showing my new design;
FIG. 2 is a front elevational view thereof, the rear elevational view being
a mirror image of that shown; and,
FIG. 3 is an end elevational view thereof, the opposite end being a mirror
image of that shown.
Schultz, Francis R.
| Patent |
Priority |
Assignee |
Title |
| 4127216, |
Mar 07 1977 |
Light Industrial Design Co., Inc. |
Venting closure assembly for milk tank or the like |
| 4315579, |
Dec 17 1979 |
|
Venting and filtering mechanism for milk tank vent |
| 4461219, |
Feb 26 1980 |
NORSON INDUSTRIES, INC 1000 WEST SHORE DRIVE CULVER, IN 46511 A CORP OF IN |
Single lever hatch cover |
| 4607760, |
Jul 25 1985 |
AMERICAN STERILIZER COMPANY A PA CORP |
Closure for a pressurized chamber |
| 4609126, |
Dec 05 1985 |
AG COMMUNICATION SYSTEMS CORPORATION, 2500 W UTOPIA RD , PHOENIX, AZ 85027, A DE CORP |
Venting cap for apparatus housing |
| 4644874, |
Aug 15 1985 |
DAYCO PRODUCTS, INC , A CORP OF DE |
Hatch cover for hopper cars |
| 4690070, |
Jan 15 1986 |
General Electric Railcar Leasing Services Corporation |
Hatch cover structure |
| 4819830, |
Feb 11 1988 |
Salco Products Incorporated |
Vented hatch cover |
| 4889056, |
Mar 27 1985 |
TRN BUSINESS TRUST, A DELAWARE BUSINESS TRUST |
Cover and latching mechanism for rail car loading hatch |
| 4944233, |
Jun 12 1989 |
ACF Industries, Incorporated |
Hatch arrangement for covered hopper cars |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a