US5226409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective hood with elastomeric neck seal
Assignee: SOUTHWEST BANK OF ST LOUIS
•
Filing: 1990-12-05
•
Granted: 1993-07-13
•
Expires: 2010-12-05
Abstract
Abstract A hood suitable for protection against decompression and toxic fumes having a flanged neck seal.
Inventors
- 👤 James W. Bower
- 👤 Jerome Hochberg
- 👤 James K. Odle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:05
CPC Classifications
A; A62; A62B; A62B17/00; A62B17/04
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
118 words
In a protective hood prepared from film having a thickness of less than about 5 mils and having a generally tubular configuration with a closed substantially flat top end and a bottom end having a resilient neck seal with an opening which permits at least the head of a user into the hood and forming a closure around the user, the improvement wherein the neck seal comprises a substantially flat elastomeric annular ring having an upper and lower surface and a circular opening in the center for the user's head and a substantially tubular central flange extending from the opening in a direction substantially perpendicular from the surface of the annular ring toward the top of the hood.
Claim 2
Dependent Claim
118 words
In a protective hood prepared from film having a thickness of less than about 5 mils and having a generally tubular configuration with a closed substantially flat top end and a bottom end having a resilient neck seal with an opening which permits at least the head of a user into the hood and forming a closure around the user, the improvement wherein the neck seal comprises a substantially flat elastomeric annular ring having an upper and lower surface and a circular opening in the center for the user's head and a substantially tubular central flange extending from the opening in a direction substantially perpendicular from the surface of the annular ring toward the top of the hood.
Claim 3
Dependent Claim
36 words
A protective hood of claim 1 wherein the neck seal further comprises a circumferential flange extending in a direction substantially perpendicular from the surface of the annular ring and bonded to the sidewall of the hood.
Claim 4
Dependent Claim
19 words
A protective hood of claim 2 wherein the circumferential flange extends upward from the surface of the annular ring.
Claim 5
Dependent Claim
25 words
A protective hood of claim 1 wherein the central flange on the neck seal has a plurality of reinforcing vertical ribs around the perimeter thereof.
Claim 6
Dependent Claim
23 words
A protective hood of claim 1 wherein the central flange extends upwardly from the surface of the ring at least about 1 inch.
Claim 7
Dependent Claim
27 words
A protective hood of claim 1 further comprising a bead around the edge of the central flange, at the point of its junction with the annular ring.
Claim 8
Dependent Claim
134 words
In a protective hood prepared from film having a thickness of less than about 5 mils and having a generally tubular configuration with a closed top and a bottom end having a resilient neck seal with an opening which permits at least the head of a user into the hood and forming a closure around the user, the improvement wherein the neck seal comprises a substantially flat elastomeric annular ring having an upper and lower surface and a circular opening in the center for the user's head and substantially tubular central flange extending from the opening in a direction substantially perpendicular from the surface of the annular ring toward the top of the hood and wherein the central flange on the neck seal has a plurality of reinforcing vertical ribs around the perimeter thereof.
Claim 9
Dependent Claim
134 words
In a protective hood prepared from film having a thickness of less than about 5 mils and having a generally tubular configuration with a closed top and a bottom end having a resilient neck seal with an opening which permits at least the head of a user into the hood and forming a closure around the user, the improvement wherein the neck seal comprises a substantially flat elastomeric annular ring having an upper and lower surface and a circular opening in the center for the user's head and substantially tubular central flange extending from the opening in a direction substantially perpendicular from the surface of the annular ring toward the top of the hood and wherein the central flange on the neck seal has a plurality of reinforcing vertical ribs around the perimeter thereof.
References Cited (Backward Citations)
US622677A
Cited
US2377122A
Cited
US3521629A
Cited
US4186736A
Cited
US4186735A
Cited
US4523588A
Cited
US4589408A
Cited
US4771771A
Cited
US4627431A
Cited
US4637383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-07-12 | 1997-01-11 | 1997-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-07-12 | 2001-01-11 | 2001-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-07-12 | 2005-01-11 | 2005-07-13 | $7700.00 | Window Closed / Lapsed |