USD421301S - Two position pressure demand inlet port adaptor - Google Patents
Two position pressure demand inlet port adaptor Download PDFInfo
- Publication number
- USD421301S USD421301S US29/090,933 US9093398F USD421301S US D421301 S USD421301 S US D421301S US 9093398 F US9093398 F US 9093398F US D421301 S USD421301 S US D421301S
- Authority
- US
- United States
- Prior art keywords
- inlet port
- pressure demand
- position pressure
- port adaptor
- demand inlet
- 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
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Description
FIG. 1 is a perspective view of a two position pressure demand inlet port adaptor, showing the new design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a right-side elevational view thereof.
FIG. 5 is a left-side elevational view thereof.
FIG. 6 is a top plan view thereof.
FIG. 7 is a bottom plan view thereof.
FIG. 8 is a perspective view of a second embodiment of a two position pressure demand inlet port adaptor, showing the new design.
FIG. 9 is a front elevational view of the second embodiment shown in FIG. 8. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.
FIG. 10 is a perspective view of a third embodiment of a two position pressure demand inlet port adaptor, showing the new design.
FIG. 11 is a front elevational view of the third embodiment shown in FIG. 10. The rear right side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.
FIG. 12 is a perspective view of a fourth embodiment of a two position pressure demand inlet port adaptor, showing the new design; and,
FIG. 13 is a front elevational view of the fourth embodiment shown in FIG. 12. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.
The broken lines shown in the drawings form no part of the claimed design. The shading shown in the drawings is provided merely to indicate the contour of the design; it is not intended to be indicative of any particular texture.
Claims (1)
- The ornamental design for a two position pressure demand inlet port adaptor, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/090,933 USD421301S (en) | 1998-07-20 | 1998-07-20 | Two position pressure demand inlet port adaptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/090,933 USD421301S (en) | 1998-07-20 | 1998-07-20 | Two position pressure demand inlet port adaptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD421301S true USD421301S (en) | 2000-02-29 |
Family
ID=71786035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/090,933 Expired - Lifetime USD421301S (en) | 1998-07-20 | 1998-07-20 | Two position pressure demand inlet port adaptor |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD421301S (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373520A (en) * | 1979-09-28 | 1983-02-15 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Respirator speech unit/outlet valve |
| US5224473A (en) * | 1991-03-04 | 1993-07-06 | Bloomfield John W | Retrofitting gas mask voice amplifier unit with easily actuated switch means |
-
1998
- 1998-07-20 US US29/090,933 patent/USD421301S/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373520A (en) * | 1979-09-28 | 1983-02-15 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Respirator speech unit/outlet valve |
| US5224473A (en) * | 1991-03-04 | 1993-07-06 | Bloomfield John W | Retrofitting gas mask voice amplifier unit with easily actuated switch means |
Non-Patent Citations (10)
| Title |
|---|
| 3M™ Continuous Flow Systems Marix product literature (Jun. 1998). |
| Cabot Safety AOSafety™ Respiratory Products product literature. |
| ISI Asbestos Respiratory Protection product literature. |
| Kasco Venus product literature. |
| LifeAir™ 1500 product literature. |
| North Chemical Protection product literature. |
| Omnistar™ Respirator System product literature. |
| Pro-Tech Cosmo™ product literature (May 1997). |
| Survivair Air Purifying Respirators product literature. |
| Willson Safety Products 6000 Series Supplied Air Line product literature. |
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