Patent US3103255A successfully refreshed from Google Patents.
US3103255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-absorbing wall covering
Assignee: Societa Applicazioni Gomma Antivibranti SAGA SpA
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Filing: 1961-12-12
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Granted: 1963-09-10
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Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Boschi Antonio
- 👤 Pennati Giancarlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:30
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0478; E04B9/0485; E04B9/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SOUND-ABSORBER COMPRISING, AN UNDUALTED MEMBER OF SUBSTANTIALLY RIGID SHEET MATERIAL HAVING UNDULATIONS DEFINING A PLURALITY OF ADJACENT PARALLEL CHANNELS OF A SUBSTANTIALLY TRAPEZOIDAL CROSS-SECTIONAL SHAPE, ALL OF SAID CHANNELS HAVING A SMALL BASE RIDGE DEFINED BY SAID UNDULATED MEMBER AND ALTERNATE ONES OF SAID CHANNELS HAVING A LARGE BASE AREA OPENING IN A COMMON DIRECTION, SAID
Claim 2
Dependent Claim
57 words
A SOUND-ABSORBER COMPRISING, AN UNDUALTED MEMBER OF SUBSTANTIALLY RIGID SHEET MATERIAL HAVING UNDULATIONS DEFINING A PLURALITY OF ADJACENT PARALLEL CHANNELS OF A SUBSTANTIALLY TRAPEZOIDAL CROSS-SECTIONAL SHAPE, ALL OF SAID CHANNELS HAVING A SMALL BASE RIDGE DEFINED BY SAID UNDULATED MEMBER AND ALTERNATE ONES OF SAID CHANNELS HAVING A LARGE BASE AREA OPENING IN A COMMON DIRECTION, SAID
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |