US3229437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete structures
Assignee: Individual
•
Filing: 1962-09-19
•
Granted: 1966-01-18
•
Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Adie George Mountford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:44
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/32; E04C2/02; E04C2/04; E04C2/044; Y; Y10; Y10S; Y10S52/00; Y10S52/10; Y10T; Y10T428/00; Y10T428/23; Y10T428/234; Y10T428/24; Y10T428/24628; Y10T428/24661
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A ONE-PIECE STRUCTURE OF A CASTABLE MATERIAL HAVING A REGULAR SERIES OF CELLS DEFINED BY SHEET MATERIAL, SAID CELLS BEING ARRANGED SYMMETRICALLY BOTH VERTICALLY AND HORIZONTALLY ON A RECTANGULAR GRID WITHIN THE SAID STRUCTURE, EACH CELL HAVING AT LEAST POINT CONTACT WITH ADJACENT CELLS, AND THE MATERIAL OF THE STRUCTURE PRESENT BETWEEN THE CELLS EXTENDING IN THREE MUTUALLY PERPENDICULAR DIRECTIONS ALONG THE LINES OF A RECTANGULAR GRID; THE CELLS BEING DEFINED BY INFLATABLE ELEMENTS WITH THE CELLS IN ANY ONE HORIZONTAL PLANE INTERCOMMUNICATING, AND THE CELLS IN EACH LAYER BEING CONNECTED TOGETHER BY SHEET MATERIAL EXTENDING IN THE MEDIAN OF THE CELLS, THE SHEET MATERIAL HAVING HOLES IN IT BETWEEN THE CELLS THROUGH WHICH HOLES THE SOLID MATTER OF THE STRUCTURE PASSES.
Claim 2
Dependent Claim
122 words
A ONE-PIECE STRUCTURE OF A CASTABLE MATERIAL HAVING A REGULAR SERIES OF CELLS DEFINED BY SHEET MATERIAL, SAID CELLS BEING ARRANGED SYMMETRICALLY BOTH VERTICALLY AND HORIZONTALLY ON A RECTANGULAR GRID WITHIN THE SAID STRUCTURE, EACH CELL HAVING AT LEAST POINT CONTACT WITH ADJACENT CELLS, AND THE MATERIAL OF THE STRUCTURE PRESENT BETWEEN THE CELLS EXTENDING IN THREE MUTUALLY PERPENDICULAR DIRECTIONS ALONG THE LINES OF A RECTANGULAR GRID; THE CELLS BEING DEFINED BY INFLATABLE ELEMENTS WITH THE CELLS IN ANY ONE HORIZONTAL PLANE INTERCOMMUNICATING, AND THE CELLS IN EACH LAYER BEING CONNECTED TOGETHER BY SHEET MATERIAL EXTENDING IN THE MEDIAN OF THE CELLS, THE SHEET MATERIAL HAVING HOLES IN IT BETWEEN THE CELLS THROUGH WHICH HOLES THE SOLID MATTER OF THE STRUCTURE PASSES.
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |