US3357516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical panels
Assignee: Wood Conversion Co
•
Filing: 1964-04-20
•
Granted: 1967-12-12
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 John E Cadotte
- 👤 Paul J Mcgervey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:33
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/045; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; E04B2001/8457; E04B2001/8461; E04B2001/8476; E04B2001/848; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/25; Y10T428/259
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ACOUSTICAL PANEL COMPRISING A RIGID FIBROUS BODY HAVING A MULTIPLICITY OF INTER-FIBER VOIDS FOR THE ABSORPTION OF SOUND, OPENINGS FORMED IN ONE FACE OF SAID BODY AND EXTENDING THEREINTO TO COMMUNICATE WITH SAID INTERFIBER VOIDS, SAID OPENINGS TERMINATING SHORT OF THE OPPOSITE FACE OF SAID BODY, A LAYER OF GRANULAR MATERIAL SUBSTANTIALLY COVERING SAID ONE FACE OF SAID PANEL, A PAINT-LIKE COATING ON SAID PANEL SERVING TO ADHERE SAID GRANULAR MATERIAL TO SAID ONE FACE, SAID GRANULAR MATERIAL BEING OF SUCH A SIZE AND SO ARRANGED WITH RESPECT TO SAID OPENINGS AS TO HIDE SUBSTANTIALLY ALL OF SAID OPENINGS WHEN THE PANEL IS VIEWED OBLIQUELY WITHOUT SERIOUSLY OBSTRUCTING THE ACCESS OF SOUND TO SAID OPENINGS.
Claim 2
Dependent Claim
116 words
AN ACOUSTICAL PANEL COMPRISING A RIGID FIBROUS BODY HAVING A MULTIPLICITY OF INTER-FIBER VOIDS FOR THE ABSORPTION OF SOUND, OPENINGS FORMED IN ONE FACE OF SAID BODY AND EXTENDING THEREINTO TO COMMUNICATE WITH SAID INTERFIBER VOIDS, SAID OPENINGS TERMINATING SHORT OF THE OPPOSITE FACE OF SAID BODY, A LAYER OF GRANULAR MATERIAL SUBSTANTIALLY COVERING SAID ONE FACE OF SAID PANEL, A PAINT-LIKE COATING ON SAID PANEL SERVING TO ADHERE SAID GRANULAR MATERIAL TO SAID ONE FACE, SAID GRANULAR MATERIAL BEING OF SUCH A SIZE AND SO ARRANGED WITH RESPECT TO SAID OPENINGS AS TO HIDE SUBSTANTIALLY ALL OF SAID OPENINGS WHEN THE PANEL IS VIEWED OBLIQUELY WITHOUT SERIOUSLY OBSTRUCTING THE ACCESS OF SOUND TO SAID OPENINGS.
References Cited (Backward Citations)
US1682986A
Cited
US1832571A
Cited
US1900522A
Cited
US3025197A
Cited
US2931736A
Cited
US3077945A
Cited
US3149693A
Cited
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 |