US3241282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical system
Assignee: SOUNDLOCK CORP
•
Filing: 1961-04-21
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Granted: 1966-03-22
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Expires: 1981-04-21
Abstract
No abstract record available.
Inventors
- 👤 William G Kemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:11
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/045; E04B9/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A CEILING STRUCTURE, A PLURALITY OF INDIVIDUAL, SEPARABLE, RECTANGULAR, ACOUSTICAL PANELS ARRANGED SUBSTANTIALLY IN EDGE-TO-EDGE RELAITON IN A COMMON HORIZONTAL PLANE IN PARALLEL ROWS TO FORM A CONTINUOUS CEILING, THE PANELS IN ALTERNATE ROWS EACH HAVING AT ONE END EDGE AN UPWARDLY EXTENDING FLANGE AND AT THE OPPOSITE EDGE A DOWNWARDLY OPENING HOOK STRADDLING THE FLANGE OF THE ADJACENT PANEL IN THE SAME ROW, SAID PANELS IN THE ALTERNATE ROWS HAVING UPWARDLY EXTENDING FLANGES AT THE OPPOSITE SIDE EDGES THEREOF, AND THE PANELS IN THE REMAINING ROWS HAVING DOWNWARDLY OPENING HOOKS AT THE OPPOSITE SIDE EDGES THEREOF RESPECTIVELY STRADDLING THE SIDE FLANGES OF THE ADJACENT PANELS IN SAID ALTERNATE ROWS.
Claim 2
Dependent Claim
111 words
IN A CEILING STRUCTURE, A PLURALITY OF INDIVIDUAL, SEPARABLE, RECTANGULAR, ACOUSTICAL PANELS ARRANGED SUBSTANTIALLY IN EDGE-TO-EDGE RELAITON IN A COMMON HORIZONTAL PLANE IN PARALLEL ROWS TO FORM A CONTINUOUS CEILING, THE PANELS IN ALTERNATE ROWS EACH HAVING AT ONE END EDGE AN UPWARDLY EXTENDING FLANGE AND AT THE OPPOSITE EDGE A DOWNWARDLY OPENING HOOK STRADDLING THE FLANGE OF THE ADJACENT PANEL IN THE SAME ROW, SAID PANELS IN THE ALTERNATE ROWS HAVING UPWARDLY EXTENDING FLANGES AT THE OPPOSITE SIDE EDGES THEREOF, AND THE PANELS IN THE REMAINING ROWS HAVING DOWNWARDLY OPENING HOOKS AT THE OPPOSITE SIDE EDGES THEREOF RESPECTIVELY STRADDLING THE SIDE FLANGES OF THE ADJACENT PANELS IN SAID ALTERNATE ROWS.
References Cited (Backward Citations)
US1249362A
Cited
US2994113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |