US3828381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety swim or safety float emergency float
Assignee: Individual
•
Filing: 1973-02-06
•
Granted: 1974-08-13
•
Expires: 1993-02-06
Abstract
Abstract An emergency water safety device designed primarily for protection of individual persons on or in the water, the device consisting of a capsule to be worn by a swimmer, the capsule containing an inflatable bladder and compressed gas cylinder, a pull on the outside of the capsule being operable by a swimmer when in emergency of drowning, the pull activating a mechanism that releases the gas into the bladder which when inflated opens the capsule so to float upon the water.
Inventors
- 👤 I Prager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:39
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/22; B63C9/23
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
120 words
In a safety swim capsule, the combination of a capsule containing a bladder and a compressed gas cartridge fitted with a puncture mechanism so to inflate said bladder, said capsule being comprised of two halves hinged together so that said capsule opens up to release said bladder when inflated in order to float upon a water, said capsule including a slide arm on its bottom side and an emergency pull on its top side for operation by a swimmer in time of danger, said slide arm operating said puncture mechanism, and said slide arm having at its tip a roller so to not damage said bladder while said bladder is being filled and causing said capsule to be opened up.
Claim 2
Dependent Claim
120 words
In a safety swim capsule, the combination of a capsule containing a bladder and a compressed gas cartridge fitted with a puncture mechanism so to inflate said bladder, said capsule being comprised of two halves hinged together so that said capsule opens up to release said bladder when inflated in order to float upon a water, said capsule including a slide arm on its bottom side and an emergency pull on its top side for operation by a swimmer in time of danger, said slide arm operating said puncture mechanism, and said slide arm having at its tip a roller so to not damage said bladder while said bladder is being filled and causing said capsule to be opened up.
Claim 3
Dependent Claim
36 words
The combination as set forth in claim 1 wherein a tethering cord is secured between said bladder and said capsule, so that said bladder when inflated will not float away from a swimmer wearing said capsule.
Claim 4
Dependent Claim
38 words
The combination as set forth in claim 2, a bladder and cartridge refill wherein said bladder inflates internally by a cartridge so there are no connectors from cartridge to bladder, thereby insuring no leaks between cartridge and bladder.
References Cited (Backward Citations)
US1811847A
Cited
US3355751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |