US3157885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically pressurized flying suit
Assignee: ML Aviation Ltd
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Filing: 1962-03-12
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Granted: 1964-11-24
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lobelle Marcel Jules Odilon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:24
CPC Classifications
B; B64; B64D; B64D10/00; A; A62; A62B; A62B17/00; G; G01; G01C; G01C21/00; G01C21/38; G01C21/3804; G01C21/3807; G01C21/3815; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/2012; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN COMBINATION WITH A PRESSURIZED FLYING SUIT INCLUDING HELMET AND BODY PORTIONS, APPARATUS FOR PREVENTING RELATIVE VERTICAL MOVEMENT BETWEEN SAID HELMET AND BODY PORTIONS, COMPRISING: A CYLINDER HAVING AN INLET AND AN OUTLET, SAID CYLINDER FORMING A FIRST ONE OF TWO RELATIVELY MOVABLE MEMBERS; A PISTON MOUNTED FOR MOVEMENT WITHIN SAID CYLINDER AND FORMING A SECOND ONE OF SAID MEMBERS, ONE OF SAID MEMBERS BEING FIXED TO SAID SUIT AND THE OTHER OF SAID MEMBERS HAVING A CONNECTION TO SAID HELMET; A SOURCE OF AIR AT A PRESSURE GREATER THAN THE PRESSURE WITHIN SAID HELMET; A FIRST VALVE CONNECTED BETWEEN SAID SOURCE AND SAID CYLINDER INLET AND RESPONSIVE TO SAID HELMET PRESSURE FOR REGULATING SUPPLY OF SAID AIR FROM SAID SOURCE TO SAID CYLINDER; A SECOND VALVE ALSO RESPONSIVE TO HELMET PRESSURE AND CONNECTED TO SAID OUTLET OF SAID CYLINDER FOR REGULATING THE RATE OF EXHAUST OF AIR FROM SAID CYLINDER, SAID RESPONSE OF SAID VALVES BEING SUCH THAT SAID MEMBERS MAINTAIN THEIR RELATIVE POSITIONS WHATEVER THE VALUE OF SAID HELMET PRESSURE SO THAT SAID HELMET DOES NOT RISE RELATIVE TO SAID SUIT.
Claim 2
Dependent Claim
183 words
IN COMBINATION WITH A PRESSURIZED FLYING SUIT INCLUDING HELMET AND BODY PORTIONS, APPARATUS FOR PREVENTING RELATIVE VERTICAL MOVEMENT BETWEEN SAID HELMET AND BODY PORTIONS, COMPRISING: A CYLINDER HAVING AN INLET AND AN OUTLET, SAID CYLINDER FORMING A FIRST ONE OF TWO RELATIVELY MOVABLE MEMBERS; A PISTON MOUNTED FOR MOVEMENT WITHIN SAID CYLINDER AND FORMING A SECOND ONE OF SAID MEMBERS, ONE OF SAID MEMBERS BEING FIXED TO SAID SUIT AND THE OTHER OF SAID MEMBERS HAVING A CONNECTION TO SAID HELMET; A SOURCE OF AIR AT A PRESSURE GREATER THAN THE PRESSURE WITHIN SAID HELMET; A FIRST VALVE CONNECTED BETWEEN SAID SOURCE AND SAID CYLINDER INLET AND RESPONSIVE TO SAID HELMET PRESSURE FOR REGULATING SUPPLY OF SAID AIR FROM SAID SOURCE TO SAID CYLINDER; A SECOND VALVE ALSO RESPONSIVE TO HELMET PRESSURE AND CONNECTED TO SAID OUTLET OF SAID CYLINDER FOR REGULATING THE RATE OF EXHAUST OF AIR FROM SAID CYLINDER, SAID RESPONSE OF SAID VALVES BEING SUCH THAT SAID MEMBERS MAINTAIN THEIR RELATIVE POSITIONS WHATEVER THE VALUE OF SAID HELMET PRESSURE SO THAT SAID HELMET DOES NOT RISE RELATIVE TO SAID SUIT.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |