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Patent US2652126A successfully refreshed from Google Patents.
US2652126A
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Sound-absorbing structure
Assignee: Individual
•
Filing: 1949-12-24
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Granted: 1953-09-15
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Expires: 1969-12-24
Abstract
No abstract record available.
Inventors
- 👤 Mazer Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:46
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; E04B2001/8263; E04B2001/8281; E04B2001/8414; E04B2001/8457; E04B2001/8461; E04B2001/8476; E04B2001/848; E04B2001/8495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554180A
Cited
US1875074A
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US1825770A
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US2057701A
Cited
GB510522A
Cited
GB504795A
Cited
US2410413A
Cited
GB572576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |