US3343314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated modular panel structure and modular panel units therefor
Assignee: Individual
•
Filing: 1965-06-15
•
Granted: 1967-09-26
•
Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Cloyd D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:23
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/8218; E04B2001/8254; E04B1/84; E04B2001/8423; E04B2001/8433; E04B2001/8442; E04B2001/8452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PREFABRICATED SOUNDPROOF ENCLOSURE PANEL, COMPRISING: A SHEET METAL OUTSIDE WALL; A SOLID SHEET OF DENSE ACOUSTIC INSULATION MATERIAL, OF SUBSTANTIALLY GREATER THICKNESS THAN SAID SHEET METAL WALL, FORMING A SUBSTANTIALLY REFECTIVE BARRIER WALL TO LOW FREQUENCY SOUND BOUND FACE-TO-FACE TO THE INSIDE SURFACE OF SAID SHEET METAL WALL; A LAYER OF FIBROUS AND POROUS ACOUSTIC ABSORPTIVE MATERIAL ADJACENT AND BOUNDED TO SAID SOLID SHEET, SAID LAYER BEING OF SUBSTANTIALLY GREATER THICKNESS THAN SAID SOLID SHEET OF DENSE MATERIAL; AND AN ACOUSTICALLY TRANSPARENT SHEET IN FRONT OF SAID LAYER OF FIBROUS AND POROUS MATERIAL.
Claim 2
Dependent Claim
94 words
A PREFABRICATED SOUNDPROOF ENCLOSURE PANEL, COMPRISING: A SHEET METAL OUTSIDE WALL; A SOLID SHEET OF DENSE ACOUSTIC INSULATION MATERIAL, OF SUBSTANTIALLY GREATER THICKNESS THAN SAID SHEET METAL WALL, FORMING A SUBSTANTIALLY REFECTIVE BARRIER WALL TO LOW FREQUENCY SOUND BOUND FACE-TO-FACE TO THE INSIDE SURFACE OF SAID SHEET METAL WALL; A LAYER OF FIBROUS AND POROUS ACOUSTIC ABSORPTIVE MATERIAL ADJACENT AND BOUNDED TO SAID SOLID SHEET, SAID LAYER BEING OF SUBSTANTIALLY GREATER THICKNESS THAN SAID SOLID SHEET OF DENSE MATERIAL; AND AN ACOUSTICALLY TRANSPARENT SHEET IN FRONT OF SAID LAYER OF FIBROUS AND POROUS MATERIAL.
References Cited (Backward Citations)
US1900522A
Cited
US1976282A
Cited
US2177393A
Cited
FR994491A
Cited
US2981360A
Cited
US2933147A
Cited
US3021914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |