Patent US3136508A successfully refreshed from Google Patents.
US3136508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute
Assignee: STEINTHAL AND CO Inc M
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Filing: 1962-10-26
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Granted: 1964-06-09
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Expires: 1982-10-26
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 17:35
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)
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 |