Patent US3357147A successfully refreshed from Google Patents.
US3357147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight foraminous floor panel and cast-in-place concrete
Assignee: SYLVIA AMARTRUDA
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Filing: 1965-04-13
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Granted: 1967-12-12
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Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Lerner Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:32
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/17; E04B5/23; E04B5/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A LIGHT-WEIGHT STRUCTURAL FLOOR PANEL ADAPTED TO BE DISPOSED IN SIDE-BY-SIDE RELATIONSHIP TO DEFINE A GIVEN FLOOR SYSTEM, THE IMPROVEMENT COMPRISING: A SHEET OF UNDULATING FORAMINOUS MATERIAL, SAID UNDULATING MATERIAL DEFINING A PLURALITY OF ALTERNATELY SPACED PEAKS AND VALLEYS WHEREIN SAID PEAKS AND VALLEYS ARE DISPOSED IN PARALLEL, A FORAMINOUS STRIP OF MATERIAL EXTENDING LONGITUDINALLY OF EACH VALLEY, EACH OF SAID STRIPS BEING SUPPORTED BETWEEN THE SIDES OF ADJACENT PEAKS INTERMEDIATE THE HEIGHT THEREOF, SAID UNDULATING SHEET HAVING OPPOSED LONGITUDINALLY EXTENDING TERMINAL MARGINAL PORTIONS FOR PERMITTING CONTIGUOUS ENGAGEMENT OF ADJACENT PANELS WHEN DISPOSED IN SIDE-BY-SIDE RELATIONSHIP IN A GIVEN FLOOR SYSTEM, A TENSION MEMBER DISPOSED AT THE BOTTOM OF EACH VALLEY, SAID TENSION MEMBER EXTENDING LONGITUDINALLY THE LENGTH OF ITS ASSOCIATED VALLEY,
Claim 2
Dependent Claim
122 words
A LIGHT-WEIGHT STRUCTURAL FLOOR PANEL ADAPTED TO BE DISPOSED IN SIDE-BY-SIDE RELATIONSHIP TO DEFINE A GIVEN FLOOR SYSTEM, THE IMPROVEMENT COMPRISING: A SHEET OF UNDULATING FORAMINOUS MATERIAL, SAID UNDULATING MATERIAL DEFINING A PLURALITY OF ALTERNATELY SPACED PEAKS AND VALLEYS WHEREIN SAID PEAKS AND VALLEYS ARE DISPOSED IN PARALLEL, A FORAMINOUS STRIP OF MATERIAL EXTENDING LONGITUDINALLY OF EACH VALLEY, EACH OF SAID STRIPS BEING SUPPORTED BETWEEN THE SIDES OF ADJACENT PEAKS INTERMEDIATE THE HEIGHT THEREOF, SAID UNDULATING SHEET HAVING OPPOSED LONGITUDINALLY EXTENDING TERMINAL MARGINAL PORTIONS FOR PERMITTING CONTIGUOUS ENGAGEMENT OF ADJACENT PANELS WHEN DISPOSED IN SIDE-BY-SIDE RELATIONSHIP IN A GIVEN FLOOR SYSTEM, A TENSION MEMBER DISPOSED AT THE BOTTOM OF EACH VALLEY, SAID TENSION MEMBER EXTENDING LONGITUDINALLY THE LENGTH OF ITS ASSOCIATED VALLEY,
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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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |