US4638509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective outer garment for divers
Assignee: Individual
•
Filing: 1985-09-23
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Granted: 1987-01-27
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Expires: 2005-09-23
Abstract
Abstract Protective trousers for wearing over the lower portion of a dry or wet diving suit include a pair of panels joined at the crotch area and defining leg, hip and waist encircling elements. Clips and straps are provided for connecting the open side edges of the trousers, and for securing the bottom ends of the trousers to the feet of a user.
Inventors
- 👤 Rene Charron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:47
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/012; A41D1/00; A41D1/06; A41D1/08; B; B63; B63C; B63C11/00; B63C11/02; B63C11/04; A41D13/12; A41D13/129
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
113 words
Protective trousers for use by divers in combination with a diving suit for preventing the expansion of air below the waist of the user comprising panel means defining leg, hip and waist encircling trousers, thread means permanently interconnecting said panel means along at least one edge thereof, whereby said panel means define trousers having openings along the entire length of at least one side thereof to permit the escape of air without disrupting the buoyancy of the user, loop means for engaging the feet of a user for retaining the trousers over substantially the entire length of the legs of a user; and coupling means for closing said open side of said trousers.
Claim 2
Dependent Claim
113 words
Protective trousers for use by divers in combination with a diving suit for preventing the expansion of air below the waist of the user comprising panel means defining leg, hip and waist encircling trousers, thread means permanently interconnecting said panel means along at least one edge thereof, whereby said panel means define trousers having openings along the entire length of at least one side thereof to permit the escape of air without disrupting the buoyancy of the user, loop means for engaging the feet of a user for retaining the trousers over substantially the entire length of the legs of a user; and coupling means for closing said open side of said trousers.
Claim 3
Dependent Claim
21 words
Protective trousers according to claim 1, wherein said panel means define trousers open along the entire length of each side thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-26 | 1990-07-28 | 1991-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-26 | 1994-07-28 | 1995-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-26 | 1998-07-28 | 1999-01-27 | $7700.00 | Window Closed / Lapsed |