Patent US3909145A successfully refreshed from Google Patents.
US3909145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel grid module construction system
Assignee: United States Department of the Air Force
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Filing: 1974-03-28
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Granted: 1975-09-30
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Expires: 1994-03-28
Abstract
Abstract A panel grid module construction system designed to be rapidly emplaced over subgrades for load bearing purposes including an interlocking grid-beam network, and panels adapted to be dropped into the grid network where they are locked and sealed into position.
Inventors
- 👤 Francois N Ayer
- 👤 Richard B Cotter
- 👤 Richard E Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:13
CPC Classifications
E; E01; E01C; E01C9/00; E01C9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A panel grid module construction system comprising: a panel having a top, a bottom and sides joining the top and bottom along each edge and having an aluminum honeycomb filler core, recessed means along each edge of the top and bottom, and a resilient seal means mounted in the recessed means; a plurality of interlocking grid beams extending in a first direction, each of said grid beams including a base, a pair of spaced parallel walls mounted on the base, a pair of flanges, each hingedly attached to one of said walls and having a plurality of recesses medially positioned along one edge thereof, a locking spline means having a plurality of projections so positioned to mate with said recesses and adapted to be positioned between each parallel flange, and a beam seal means between said parallel walls and abutting said flanges; a plurality of interlocking grid beams extending in a second direction transverse to said first direction, and mating means adapted to interconnect said beams extending in the said first direction to said beams extending in said second direction.
Claim 2
Dependent Claim
180 words
A panel grid module construction system comprising: a panel having a top, a bottom and sides joining the top and bottom along each edge and having an aluminum honeycomb filler core, recessed means along each edge of the top and bottom, and a resilient seal means mounted in the recessed means; a plurality of interlocking grid beams extending in a first direction, each of said grid beams including a base, a pair of spaced parallel walls mounted on the base, a pair of flanges, each hingedly attached to one of said walls and having a plurality of recesses medially positioned along one edge thereof, a locking spline means having a plurality of projections so positioned to mate with said recesses and adapted to be positioned between each parallel flange, and a beam seal means between said parallel walls and abutting said flanges; a plurality of interlocking grid beams extending in a second direction transverse to said first direction, and mating means adapted to interconnect said beams extending in the said first direction to said beams extending in said second direction.
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) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |