Patent US3925839A successfully refreshed from Google Patents.
US3925839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Survival suit
Assignee: Individual
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Filing: 1974-04-17
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Granted: 1975-12-16
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Expires: 1994-04-17
Abstract
Abstract A full covering suit, formed of a closed cell, foamed material, includes flotation material around the waist of the suit, breast flotation members, and back of the head members, floating a user high in the water on his back. Releasable weights adjacent the feet of the suit hold a user upright in the water with the user''s head high out of the water.
Inventors
- 👤 James W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:52
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/087; B63C9/093
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
248 words
A cold water survival suit comprising: a. a body covering of closed-cellular material having a thickness of approximately three-sixteenths inch to one-fourth inch, said body covering having inside and outside surfaces and having a waist portion, a chest portion, a hood portion, glove portions, and boot portions, said hood portion having a front and back and an opening in the front for the face of the user; b. head flotation means in band form and of essentially the same material as said body covering, said head flotation means being contiguously joined with said outside surface of said body covering at said hood portion thereof and extending around the back of said hood portion for holding a user''s head high in the water; c. waist flotation means in the form of a wide band of essentially the same material as said body covering, said waist flotation means being contiguously joined with said outside surface of said body covering, said waist flotation means extending around said waist portion of said body covering; d. chest flotation means of essentially the same material as said body covering, said chest flotation means being contiguously joined with said outside surface of said body covering at said chEst portion thereof; e. all regions of said suit having an essentially solid cross section substantially free of voids other than those within the cells of said closed-cellular material; f. whereby the buoyancy and protective properties of said suit are maintained even if said outside surface is damaged.
Claim 2
Dependent Claim
248 words
A cold water survival suit comprising: a. a body covering of closed-cellular material having a thickness of approximately three-sixteenths inch to one-fourth inch, said body covering having inside and outside surfaces and having a waist portion, a chest portion, a hood portion, glove portions, and boot portions, said hood portion having a front and back and an opening in the front for the face of the user; b. head flotation means in band form and of essentially the same material as said body covering, said head flotation means being contiguously joined with said outside surface of said body covering at said hood portion thereof and extending around the back of said hood portion for holding a user''s head high in the water; c. waist flotation means in the form of a wide band of essentially the same material as said body covering, said waist flotation means being contiguously joined with said outside surface of said body covering, said waist flotation means extending around said waist portion of said body covering; d. chest flotation means of essentially the same material as said body covering, said chest flotation means being contiguously joined with said outside surface of said body covering at said chEst portion thereof; e. all regions of said suit having an essentially solid cross section substantially free of voids other than those within the cells of said closed-cellular material; f. whereby the buoyancy and protective properties of said suit are maintained even if said outside surface is damaged.
Claim 3
Dependent Claim
27 words
The survival suit of claim 1 wherein all of said flotation means provide additional buoyancy of from one-tenth to one-half of the buoyancy of the body covering.
Claim 4
Dependent Claim
40 words
The survival suit of claim 1 wherein zippered pockets are provided adjacent the feet of the boots and on the outside thereof for holding releasable weights, whereby the user floats upright in the water when weights are in said pockets.
Claim 5
Dependent Claim
32 words
The survival suit of claim 1 wherein zippered openings are provided from the palms of the suit''s gloves to above the wrist thereof for releasing a hand without opening the main zipper.
Claim 6
Dependent Claim
25 words
The survival suit of claim 1 wherein all the waist, chest, and head flotation means provides a positive buoyancy of at least about 25 pounds.
References Cited (Backward Citations)
US3076206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |