USD378744S - Restriction indicator - Google Patents
Restriction indicator Download PDFInfo
- Publication number
- USD378744S USD378744S US29/048,653 US4865396F USD378744S US D378744 S USD378744 S US D378744S US 4865396 F US4865396 F US 4865396F US D378744 S USD378744 S US D378744S
- Authority
- US
- United States
- Prior art keywords
- restriction indicator
- restriction
- indicator
- ornamental design
- view
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Description
FIG. 1 is a perspective view of a restriction indicator according to the present invention;
FIG. 2 is a top plan view of the restriction indicator shown in FIG. 1;
FIG. 3 is a side elevational view of the restriction indicator shown in FIG. 1; and,
FIG. 4 is a bottom plan view of the restriction indicator shown in FIG. 1.
Claims (1)
- The ornamental design for restriction indicator, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/048,653 USD378744S (en) | 1996-01-11 | 1996-01-11 | Restriction indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/048,653 USD378744S (en) | 1996-01-11 | 1996-01-11 | Restriction indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD378744S true USD378744S (en) | 1997-04-08 |
Family
ID=71511364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/048,653 Expired - Lifetime USD378744S (en) | 1996-01-11 | 1996-01-11 | Restriction indicator |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD378744S (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939457A (en) * | 1974-11-07 | 1976-02-17 | Richard Donald Nelson | Air filter restriction indicating device |
| US4020783A (en) * | 1975-06-19 | 1977-05-03 | Donaldson Company, Inc. | Air cleaner with restriction indicator |
| US4031847A (en) * | 1976-04-21 | 1977-06-28 | Donaldson Company, Inc. | Pressure ratio reversal indicator |
| US4254731A (en) * | 1978-05-24 | 1981-03-10 | Engineering Components Limited | Filter restriction indicator |
| US4445456A (en) * | 1978-06-19 | 1984-05-01 | Engineered Products Company | Air filter restriction indicating device |
-
1996
- 1996-01-11 US US29/048,653 patent/USD378744S/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939457A (en) * | 1974-11-07 | 1976-02-17 | Richard Donald Nelson | Air filter restriction indicating device |
| US4020783A (en) * | 1975-06-19 | 1977-05-03 | Donaldson Company, Inc. | Air cleaner with restriction indicator |
| US4031847A (en) * | 1976-04-21 | 1977-06-28 | Donaldson Company, Inc. | Pressure ratio reversal indicator |
| US4254731A (en) * | 1978-05-24 | 1981-03-10 | Engineering Components Limited | Filter restriction indicator |
| US4445456A (en) * | 1978-06-19 | 1984-05-01 | Engineered Products Company | Air filter restriction indicating device |
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