US3154453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making membrane faced acoustical tile
Assignee: Celotex Corp
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Filing: 1960-05-06
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Granted: 1964-10-27
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Expires: 1980-05-06
Abstract
No abstract record available.
Inventors
- 👤 Donald A Demke
- 👤 Donald G Duray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:18
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; B; B29; B29C; B29C51/00; B29C51/16; E04B2001/8245; E04B2001/8457; E04B2001/8461; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
THE METHOD OF MAKING AN ACOUSTICAL TILE HAVING A THIN, TAUT, VIBRATILE MEMBRANE SECURED IN PLACE RELATIVE TO ONE SURFACE OF THE BODY OF SAID TILE, SAID BODY HAVING A LEAST ONE PLANAR SURFACE AREA AND SIDEALLS DEPENDING FROM SAID SURFACE, COMPRISING THE STEPS OF APPLYING AN ADHESIVE TO SAID SIDEWALLS, PLACING SAID MEMBRANE UNDER TENSION IN A PLANE ABOVE AND IN CONTACT WITH ONE SURFACE OF SAID BODY, APPLYING SUCTION TO SAID MEMBRANE TO SECURE IT TIGHLY AGAINST THE SAID SURFACE OF SAID BODY, SHIELDING THAT PORTION OF SAID MEMBRANE IN CONTACT WITH SAID PLANAR SURFACE OF SAID BODY TO PREVENT APPLICATION OF HEAT TO SAID PORTION OF SAID MEMBRANE, APPLYING HEAT TO THE UNSHIELDED PORTION OF SAID MEMBRANE SIMULTANEOUSLY WITH THE APPLICATION OF SAID SUCTION FOR CAUSING THE UNSHILDED PORTION OF SAID MEMBRANE TO FLOW AND CONFORM TO SAID SIDEWALLS, REMOVING SUCTION FROM SAID BODY AND SAID MEMBRANE AFTER THE APPLICATION OF SAID HEAT, COOLING SAID COMBINED MEMBRANE AND BODY TO AMBIENT TEMPERATURE, REAPPLYING HEAT TO SAID MEMBRANE TO RELIEVE STRESSES THEREIN AND COOLING SAID ACOUSTICAL TILE.
Claim 2
Independent Claim
179 words
THE METHOD OF MAKING AN ACOUSTICAL TILE HAVING A THIN, TAUT, VIBRATILE MEMBRANE SECURED IN PLACE RELATIVE TO ONE SURFACE OF THE BODY OF SAID TILE, SAID BODY HAVING A LEAST ONE PLANAR SURFACE AREA AND SIDEALLS DEPENDING FROM SAID SURFACE, COMPRISING THE STEPS OF APPLYING AN ADHESIVE TO SAID SIDEWALLS, PLACING SAID MEMBRANE UNDER TENSION IN A PLANE ABOVE AND IN CONTACT WITH ONE SURFACE OF SAID BODY, APPLYING SUCTION TO SAID MEMBRANE TO SECURE IT TIGHLY AGAINST THE SAID SURFACE OF SAID BODY, SHIELDING THAT PORTION OF SAID MEMBRANE IN CONTACT WITH SAID PLANAR SURFACE OF SAID BODY TO PREVENT APPLICATION OF HEAT TO SAID PORTION OF SAID MEMBRANE, APPLYING HEAT TO THE UNSHIELDED PORTION OF SAID MEMBRANE SIMULTANEOUSLY WITH THE APPLICATION OF SAID SUCTION FOR CAUSING THE UNSHILDED PORTION OF SAID MEMBRANE TO FLOW AND CONFORM TO SAID SIDEWALLS, REMOVING SUCTION FROM SAID BODY AND SAID MEMBRANE AFTER THE APPLICATION OF SAID HEAT, COOLING SAID COMBINED MEMBRANE AND BODY TO AMBIENT TEMPERATURE, REAPPLYING HEAT TO SAID MEMBRANE TO RELIEVE STRESSES THEREIN AND COOLING SAID ACOUSTICAL TILE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |