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Patent US2610695A successfully refreshed from Google Patents.
US2610695A
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Supporting means for acoustical absorbers
Assignee: Individual
•
Filing: 1948-02-28
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Granted: 1952-09-16
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Expires: 1968-02-28
Abstract
No abstract record available.
Inventors
- 👤 Grue Olav Ebbesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:09
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/8209
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE721802C
Cited
US2160638A
Cited
US2502016A
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US2502017A
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US2488555A
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US2502019A
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US2502020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |