US3298457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical barrier treatment
Assignee: Lord Corp
•
Filing: 1964-12-21
•
Granted: 1967-01-17
•
Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Warnaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:38
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249986; Y10T428/249987; Y10T428/24999; Y10T428/249991; Y10T428/249992; Y10T428/25; Y10T428/256; Y10T428/259
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ACOUSTIC BARRIER STRUCTURE COMPRISING A SHEET METAL BASE MEMBER HAVING A SURFACE SUBJECT TO A FIELD OF INTENSE ACOUSTIC VIBRATION, A FIRST LAYER OF RELATIVELY STIFF VISCOELASTIC DAMPING MATERIAL ADHERED TO SAID SURFACE, SAID MATERIAL HAVING A YOUNG''S MODULUS OF ELASTICITY THAT IS SUBSTANTIALLY LESS THAN THAT OF THE BASE MEMBER, A SECOND LAYER OF RELATIVELY SOFT COMPLIANT MATERIAL ADHERED TO THE OUTER SURFACE OF THE FIRST LAYER, THE MATERIAL OF THE SECOND LAYER HAVING A MODULUS OF ELASTICITY THAT
Claim 2
Dependent Claim
81 words
AN ACOUSTIC BARRIER STRUCTURE COMPRISING A SHEET METAL BASE MEMBER HAVING A SURFACE SUBJECT TO A FIELD OF INTENSE ACOUSTIC VIBRATION, A FIRST LAYER OF RELATIVELY STIFF VISCOELASTIC DAMPING MATERIAL ADHERED TO SAID SURFACE, SAID MATERIAL HAVING A YOUNG''S MODULUS OF ELASTICITY THAT IS SUBSTANTIALLY LESS THAN THAT OF THE BASE MEMBER, A SECOND LAYER OF RELATIVELY SOFT COMPLIANT MATERIAL ADHERED TO THE OUTER SURFACE OF THE FIRST LAYER, THE MATERIAL OF THE SECOND LAYER HAVING A MODULUS OF ELASTICITY THAT
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |