US3666610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grille cloth assembly
Assignee: Assembly Cloth Co
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Filing: 1969-06-03
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Granted: 1972-05-30
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Expires: 1989-06-03
Abstract
Abstract D R A W I N G A THREE DIMENSIONAL ACOUSTICAL GRILLE CLOTH ASSEMBLY IS DESCRIBED COMPRISING A SHAPE RETAINING BACKING SHEET WITH A DECORATIVE GRILLE CLOTH FRONT PORTION BONDED THERETO. A PREFERRED METHOD OF FORMING THE THREE DIMENSIONAL GRILLE CLOTH ASSEMBLY BY HOT PRESSING A LAMINATED THERMOPLASTIC BACKING SHEET AND DECORATIVE FRONT GRILLE CLOTH PORTION IS ALSO DESCRIBED.
Inventors
- 👤 Sol A Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:22
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; H; H04; H04R; H04R1/00; H04R1/02; H04R1/023; B32B27/30; B32B27/302; B32B3/00; B32B3/26; B32B3/266; B32B5/00; B32B5/02; B32B5/026; B32B7/00; B32B7/04; B32B7/12; B32B2307/00; B32B2307/10; B32B2451/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1048; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24752
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |