Patent US3313076A successfully refreshed from Google Patents.
US3313076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension system for ceilings
Assignee: Owens Corning
•
Filing: 1963-12-19
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Granted: 1967-04-11
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Macdonald Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:14
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A SUPPORTING SYSTEM FOR CEILINGS COMPRISED OF A PLURALITY OF COMPRESSIBLE FIBROUS SECTIONS, A GRID-LIKE NETWORK OF PLASTIC MATERIAL STRIPS, SAID STRIPS HAVING A FLEXIBLE CENTRAL ELONGATE VERTICALLY EXTENDING WEB PORTION HAVING AN UPPER AND LOWER MARGINAL EDGE; AN UPPER PLANAR PORTION FOR ENGAGEMENT WITH A SUPPORTING SURFACE AND EXTENDING HORIZONTALLY IN ONE DIRECTION FROM THE UPPER MARGINAL EDGE OF SAID WEB PORTION; AND A LOWER SHELF-LIKE PORTION EXTENDING IN OPPOSITE DIRECTIONS FROM THE LOWER MARGINAL EDGE OF SAID WEB PORTION IN A PLANE SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID FLANGE PORTION, SAID COMPRESSIBLE FIBER SECTIONS SUPPORTED BY SAID LOWER SHELF-LIKE PORTIONS, THE SPACING BETWEEN SAID UPPER PLANAR FLANGE AND RESPECTIVE PORTION OF SAID SHELF-LIKE MEMBER IS LESS THAN THE THICKNESS OF THE FIBROUS SECTIONS WHEREBY A MARGINAL EDGE OF THE FIBROUS SECTIONS IS COMPRESSED AND TIGHTLY RETAINED.
Claim 2
Dependent Claim
140 words
IN A SUPPORTING SYSTEM FOR CEILINGS COMPRISED OF A PLURALITY OF COMPRESSIBLE FIBROUS SECTIONS, A GRID-LIKE NETWORK OF PLASTIC MATERIAL STRIPS, SAID STRIPS HAVING A FLEXIBLE CENTRAL ELONGATE VERTICALLY EXTENDING WEB PORTION HAVING AN UPPER AND LOWER MARGINAL EDGE; AN UPPER PLANAR PORTION FOR ENGAGEMENT WITH A SUPPORTING SURFACE AND EXTENDING HORIZONTALLY IN ONE DIRECTION FROM THE UPPER MARGINAL EDGE OF SAID WEB PORTION; AND A LOWER SHELF-LIKE PORTION EXTENDING IN OPPOSITE DIRECTIONS FROM THE LOWER MARGINAL EDGE OF SAID WEB PORTION IN A PLANE SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID FLANGE PORTION, SAID COMPRESSIBLE FIBER SECTIONS SUPPORTED BY SAID LOWER SHELF-LIKE PORTIONS, THE SPACING BETWEEN SAID UPPER PLANAR FLANGE AND RESPECTIVE PORTION OF SAID SHELF-LIKE MEMBER IS LESS THAN THE THICKNESS OF THE FIBROUS SECTIONS WHEREBY A MARGINAL EDGE OF THE FIBROUS SECTIONS IS COMPRESSED AND TIGHTLY RETAINED.
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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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |