Patent US3359696A successfully refreshed from Google Patents.
US3359696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling construction
Assignee: Johns Manville Corp
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Filing: 1965-05-19
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Granted: 1967-12-26
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Expires: 1985-05-19
Abstract
No abstract record available.
Inventors
- 👤 William T Snaith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:14
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0435; E04B9/0464
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
IN A CEILING CONSTRUCTION (A) A PAIR OF PARALLEL ELONGATED SUPPORT MEANS, (B) HORIZONTALLY EXTENDING FLANGES ON THE SUPPORT MEANS AT THE LOWERMOST PORTIONS THEREOF AND HAVING EXPOSED FACES FACING DOWNWARDLY, (C) A PANEL BETWEEN THE PAIR OF SUPPORT MEANS AND HAVING AN EXPOSED FACE FACING DOWNWARDLY, (D) THE EXPOSED FACE OF THE PANEL HAVING A PLURALITY OF GROOVES THEREIN EXTENDING PARALLEL TO THE SUPPORT MEANS, (E) BOTH EDGE PORTIONS OF THE PANEL ADJACENT THE SUPPORT MEANS HAVING A RECESS IN THE UNDERSIDE THEREOF SUBSTANTIALLY PARALLEL TO THE SUPPORT MEANS AND EXTENDING FROM ONE END OF THE PANEL TO THE OPPOSITED END, (F) THE BOTTOM OF EACH RECESS RESTING ON THE ADJACENT FLANGE OF THE ADJACENT SUPPORTING MEANS, (G) THE SIDE WALL OF EACH RECESS BEING SPACED FROM THE EDGE OF THE ADJACENT FLANGE A DISTANCE SUBSTANTIALLY EQUAL TO THE WIDTH OF AT LEAST ONE OF THE GROOVES, THEREBY FORMING A GROOVE-SIMULATING RECESS PORTION AND (H) THE DEPTH OF THE RECESSES BEING SUBSTANTIALLY EQUAL TO THE THICKNESS OF THE SUPPORT FLANGES, WHEREBY THE SAID GROOVE-SIMULATING RECESS PORTIONS AND THE EXPOSED FACES OF THE FLANGES PROVIDE, IN VISUAL EFFECT, A GROOVED PATTERN COMPLEMENTARY TO THAT OF THE EXPOSED FACE OF THE PANEL.
Claim 2
Dependent Claim
201 words
IN A CEILING CONSTRUCTION (A) A PAIR OF PARALLEL ELONGATED SUPPORT MEANS, (B) HORIZONTALLY EXTENDING FLANGES ON THE SUPPORT MEANS AT THE LOWERMOST PORTIONS THEREOF AND HAVING EXPOSED FACES FACING DOWNWARDLY, (C) A PANEL BETWEEN THE PAIR OF SUPPORT MEANS AND HAVING AN EXPOSED FACE FACING DOWNWARDLY, (D) THE EXPOSED FACE OF THE PANEL HAVING A PLURALITY OF GROOVES THEREIN EXTENDING PARALLEL TO THE SUPPORT MEANS, (E) BOTH EDGE PORTIONS OF THE PANEL ADJACENT THE SUPPORT MEANS HAVING A RECESS IN THE UNDERSIDE THEREOF SUBSTANTIALLY PARALLEL TO THE SUPPORT MEANS AND EXTENDING FROM ONE END OF THE PANEL TO THE OPPOSITED END, (F) THE BOTTOM OF EACH RECESS RESTING ON THE ADJACENT FLANGE OF THE ADJACENT SUPPORTING MEANS, (G) THE SIDE WALL OF EACH RECESS BEING SPACED FROM THE EDGE OF THE ADJACENT FLANGE A DISTANCE SUBSTANTIALLY EQUAL TO THE WIDTH OF AT LEAST ONE OF THE GROOVES, THEREBY FORMING A GROOVE-SIMULATING RECESS PORTION AND (H) THE DEPTH OF THE RECESSES BEING SUBSTANTIALLY EQUAL TO THE THICKNESS OF THE SUPPORT FLANGES, WHEREBY THE SAID GROOVE-SIMULATING RECESS PORTIONS AND THE EXPOSED FACES OF THE FLANGES PROVIDE, IN VISUAL EFFECT, A GROOVED PATTERN COMPLEMENTARY TO THAT OF THE EXPOSED FACE OF THE PANEL.
References Cited (Backward Citations)
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US2882559A
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US3313076A
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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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |