US3729002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency inflatable recompression unit
Assignee: Individual
•
Filing: 1971-04-01
•
Granted: 1973-04-24
•
Expires: 1991-04-01
Abstract
Abstract A portable recompression chamber comprising a flexible container constructed of a high-strength pressure-proof rubber-coated fabric which occupies a small space when collapsed and may be easily transported and inflated for use. Entrance to the chamber is through a long zippered opening.
Inventors
- 👤 D Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:24
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/32; B63C11/325
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
99 words
An emergency inflatable recompression unit comprising: a flexible, collapsible recompression chamber; a sealable opening in said chamber for allowing ingress and egress to said chamber; an integral ovoid shaped inflatable air mattress attached to the exterior bottom of said chamber; pressurization Means connected to said chamber for pressurizing said chamber and said inflatable air mattress including a pressure regulator, an air hose and a self-sealing quick disconnect coupling connected to said chamber and said mattress by self-sealing quick disconnect nipples on said chamber and said mattress; and handles attached to said mattress to enable manual carrying of said chamber.
Claim 2
Dependent Claim
99 words
An emergency inflatable recompression unit comprising: a flexible, collapsible recompression chamber; a sealable opening in said chamber for allowing ingress and egress to said chamber; an integral ovoid shaped inflatable air mattress attached to the exterior bottom of said chamber; pressurization Means connected to said chamber for pressurizing said chamber and said inflatable air mattress including a pressure regulator, an air hose and a self-sealing quick disconnect coupling connected to said chamber and said mattress by self-sealing quick disconnect nipples on said chamber and said mattress; and handles attached to said mattress to enable manual carrying of said chamber.
Claim 3
Dependent Claim
15 words
The unit of claim 1 wherein said sealable opening is closable with a slide fastener.
Claim 4
Dependent Claim
63 words
The unit of claim 1 wherein there is provided closure means for closing said sealable opening comprising: a zipper running the length of said opening; sealing lips running the length of said zipper on the interior of the chamber; load loops running the length of said opening on the exterior side of the zipper; and a metal rod insertable through said load loops.
Claim 5
Dependent Claim
52 words
The unit of claim 1 wherein said pressurization means comprises: air supply means; a high-pressure gauge, said pressure regulator, a low pressure gauge, a hand valve, said air hose and a self-sealing quick disconnect coupling respectively, being connected in series; said high pressure gauge being directly connected to said air supply means.
Claim 6
Dependent Claim
15 words
The unit of claim 1 wherein said opening extends along the length of said chamber.
Claim 7
Dependent Claim
18 words
The unit of claim 1 wherein said pressurization means is connectable to said mattress for inflating said mattress.
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |