US3206897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding structure fabricated of rigid panels
Assignee: Northrop Grumman Corp
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Filing: 1963-06-24
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Granted: 1965-09-21
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Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 William R Hilker
- 👤 Robert S Fujioka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/344; E04B1/345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN AN ELONGATED STRUCTURE OF PRISMATIC CONFIGURATION CONSTURCTED OF RIGID PANELS AND INCLUDING A SIDE AND A PAIR OF END WALLS AND HAVING EXPANDED AND UNEXPANDED POSITIONS, THE COMBINATION COMPRISING: EACH OF SAID END WALLS INCLUDING A POLYGON SHAPED PANEL AND A PLURALITY OF FIRST ELONGATED PANELS; AN END EDGE OF EACH OF SAID FIRST PANELS BEING PIVOTALLY SECURED TO THE EDGES OF SAID POLYGON PANELS WHEREBY SAID FIRST PANELS EXTEND RADIALLY FROM THE POLYGON PANELS; A PLURALITY OF SECOND ELONGATED PANELS; AND THE END EDGES OF SAID SECOND PANELS BEING PIVOTALLY SECURED TO THE FREE END EDGES OF SAID FIRST PANELS TO PROVIDE A PARTIAL STRUCTURE IN WHICH THE POLYGON PANELS HAVE A SPACED RELATION AT SUCH TIMES AS SAID STRUCTURE IS CAUSED TO ASSUME ITS UNEXPANDED POSITION AND SAID POLY-
Claim 2
Dependent Claim
132 words
IN AN ELONGATED STRUCTURE OF PRISMATIC CONFIGURATION CONSTURCTED OF RIGID PANELS AND INCLUDING A SIDE AND A PAIR OF END WALLS AND HAVING EXPANDED AND UNEXPANDED POSITIONS, THE COMBINATION COMPRISING: EACH OF SAID END WALLS INCLUDING A POLYGON SHAPED PANEL AND A PLURALITY OF FIRST ELONGATED PANELS; AN END EDGE OF EACH OF SAID FIRST PANELS BEING PIVOTALLY SECURED TO THE EDGES OF SAID POLYGON PANELS WHEREBY SAID FIRST PANELS EXTEND RADIALLY FROM THE POLYGON PANELS; A PLURALITY OF SECOND ELONGATED PANELS; AND THE END EDGES OF SAID SECOND PANELS BEING PIVOTALLY SECURED TO THE FREE END EDGES OF SAID FIRST PANELS TO PROVIDE A PARTIAL STRUCTURE IN WHICH THE POLYGON PANELS HAVE A SPACED RELATION AT SUCH TIMES AS SAID STRUCTURE IS CAUSED TO ASSUME ITS UNEXPANDED POSITION AND SAID POLY-
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |