US3202067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flooring for taking-off and landing
Assignee: Safran Aircraft Engines SAS
•
Filing: 1961-03-24
•
Granted: 1965-08-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Michard Louis
- 👤 Oestrich Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:59
CPC Classifications
E; E01; E01C; E01C9/00; E01C9/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A FLOORING FOR VERTICAL TAKE-OFF AND LANDING AIRCRAFT OF THE TYPE HAVING JETS DIRECTED DOWNWARDLY AND SUBSTANTIALLY VERTICALLY, COMPRISING AN ASSEMBLY OF METALLIC SLABS JUXTAPOSED ON THE GROUND AND ASSEMBLED TO EACH OTHER BY CO-OPERATING GROOVES AND TONGUES WITH SUFFICIENT PLAY AROUND EACH SLAB TO PERMIT FREE EXPANSION THEREOF, SAID ASSEMBLY BEING COVERED BY A SINGLE SHEET OF STAINLESS STEEL A FEW TENTHS OF A MILLIMETER THICK, SAID SHEET HAVING A LENGTH AND WIDTH WHICH ARE THE SAME AS THE LENGTH AND WIDTH OF THE FLOORING WHEREBY THE WHOLE SURFACE OF THE ASSEMBLY OF THE SLABS AND THE JOINTS BETWEEN SAID SLABS ARE COVERED THEREBY ISOLATING SAID SLABS AND SAID JOINTS FROM THE BLAST FROM SAID JETS, AND MEANS EXTENDING AROUND THE PERIPHERY OF THE ASSEMBLY AND FIXED TO THE GROUND FOR CLAMPING THE SHEET TO THE ASSEMBLY.
Claim 2
Dependent Claim
138 words
A FLOORING FOR VERTICAL TAKE-OFF AND LANDING AIRCRAFT OF THE TYPE HAVING JETS DIRECTED DOWNWARDLY AND SUBSTANTIALLY VERTICALLY, COMPRISING AN ASSEMBLY OF METALLIC SLABS JUXTAPOSED ON THE GROUND AND ASSEMBLED TO EACH OTHER BY CO-OPERATING GROOVES AND TONGUES WITH SUFFICIENT PLAY AROUND EACH SLAB TO PERMIT FREE EXPANSION THEREOF, SAID ASSEMBLY BEING COVERED BY A SINGLE SHEET OF STAINLESS STEEL A FEW TENTHS OF A MILLIMETER THICK, SAID SHEET HAVING A LENGTH AND WIDTH WHICH ARE THE SAME AS THE LENGTH AND WIDTH OF THE FLOORING WHEREBY THE WHOLE SURFACE OF THE ASSEMBLY OF THE SLABS AND THE JOINTS BETWEEN SAID SLABS ARE COVERED THEREBY ISOLATING SAID SLABS AND SAID JOINTS FROM THE BLAST FROM SAID JETS, AND MEANS EXTENDING AROUND THE PERIPHERY OF THE ASSEMBLY AND FIXED TO THE GROUND FOR CLAMPING THE SHEET TO THE ASSEMBLY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |