US3176789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic panels
Assignee: Individual
•
Filing: 1962-01-26
•
Granted: 1965-04-06
•
Expires: 1982-01-26
Abstract
No abstract record available.
Inventors
- 👤 Lighter Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; E04B2001/742; E04B2001/747; E04B2001/8457; E04B2001/8461; E04B2001/8471; E04B2001/8476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN ACOUSTIC PANEL COMPRISING IN COMBINATION TWO RELATIVELY RIGID FACING PANELS, AT LEAST ONE LAMINAR INTERLAYER COMPRISING RELATIVELY PLIABLE SHEET MATERIAL, SAID SHEET MATERIAL BEING OF SUBSTANTIALLY PLANAR CONFIGURATION, RIGID PROJECTING MEMBERS EXTENDING INWARDLY FROM EACH OF SAID FACING PANELS INTO CONTACT WITH SAID INTERLAYER AT POINTS OF CONTACTING ADJACENCY, WITH POINTS OF CONTACTING ADJACENCY THEREBETWEEN WITH RESPECT TO ONE OF SAID FACING PANELS BEING STAGGERED IN ARRANGMENT WITH RESPECT TO POINTS OF CONTACTING ADJACENCY WITH THE OTHER OF SAID FACING PANELS, SAID INTERLAYER PROVIDING A RESILIENT SUPPORT TO SAID FACING PANELS, SAID INNER LAYER AND SAID FACING PANELS DEFINING AIR FILLED SPACES.
Claim 2
Dependent Claim
103 words
AN ACOUSTIC PANEL COMPRISING IN COMBINATION TWO RELATIVELY RIGID FACING PANELS, AT LEAST ONE LAMINAR INTERLAYER COMPRISING RELATIVELY PLIABLE SHEET MATERIAL, SAID SHEET MATERIAL BEING OF SUBSTANTIALLY PLANAR CONFIGURATION, RIGID PROJECTING MEMBERS EXTENDING INWARDLY FROM EACH OF SAID FACING PANELS INTO CONTACT WITH SAID INTERLAYER AT POINTS OF CONTACTING ADJACENCY, WITH POINTS OF CONTACTING ADJACENCY THEREBETWEEN WITH RESPECT TO ONE OF SAID FACING PANELS BEING STAGGERED IN ARRANGMENT WITH RESPECT TO POINTS OF CONTACTING ADJACENCY WITH THE OTHER OF SAID FACING PANELS, SAID INTERLAYER PROVIDING A RESILIENT SUPPORT TO SAID FACING PANELS, SAID INNER LAYER AND SAID FACING PANELS DEFINING AIR FILLED SPACES.
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |