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US3136508A Expired / Lapsed US ⏱️ 0.0 years remaining

Parachute

Assignee: STEINTHAL AND CO Inc M
•
Filing: 1962-10-26
•
Granted: 1964-06-09
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Expires: 1982-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Oscar W Sepp

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 01:37
CPC Classifications
B; B64; B64D; B64D17/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 115 words
A PARACHUTE CANOPY COMPRISING A SERIES OF SLOTS EXTENDING SUBSTANTIALLY RADIALLY OF THE CANOPY, SAID SLOTS OPENING UP UNDER PRESSURE TO SERVE AS AIR VENTS WHEN SAID CANOPY IS IN USE, THE WIDTHS OF SAID SLOTS VARYING AUTOMATICALLY ACCORDING TO THE AIR PRESSURE, TO PRESENT AIR VENTS OF INCREASING AREAS AS THE AIR PRESSURE INCREASES, SAID CANOPY COMPRISES A SERIES OF GORES EXTENDING FROM THE APEX TO THE SKIRT AND TAPERING TOWARDS THE APEX, A RADIAL LINE LOCATED BETWEEN EACH PAIR OF ADJOINING GORES, AND EXTENDING FROM THE APEX TO THE SKIRT, AND MEANS CONNECTING SAID ADJOINING PAIR OF GORES TO SAID RADIAL LINE AT SPACED POINTS TO FORM BETWEEN SAID POINTS SAID RADIAL SLOTS.
Claim 2
Dependent Claim 115 words
A PARACHUTE CANOPY COMPRISING A SERIES OF SLOTS EXTENDING SUBSTANTIALLY RADIALLY OF THE CANOPY, SAID SLOTS OPENING UP UNDER PRESSURE TO SERVE AS AIR VENTS WHEN SAID CANOPY IS IN USE, THE WIDTHS OF SAID SLOTS VARYING AUTOMATICALLY ACCORDING TO THE AIR PRESSURE, TO PRESENT AIR VENTS OF INCREASING AREAS AS THE AIR PRESSURE INCREASES, SAID CANOPY COMPRISES A SERIES OF GORES EXTENDING FROM THE APEX TO THE SKIRT AND TAPERING TOWARDS THE APEX, A RADIAL LINE LOCATED BETWEEN EACH PAIR OF ADJOINING GORES, AND EXTENDING FROM THE APEX TO THE SKIRT, AND MEANS CONNECTING SAID ADJOINING PAIR OF GORES TO SAID RADIAL LINE AT SPACED POINTS TO FORM BETWEEN SAID POINTS SAID RADIAL SLOTS.

References Cited (Backward Citations)

US1862247A Cited
US2384416A Cited
FR978042A Cited
US2641424A Cited
FR1154522A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-09 1967-12-09 1968-06-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-09 1971-12-09 1972-06-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-09 1975-12-09 1976-06-09 $7700.00 Window Closed / Lapsed

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