US3536557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a composite contoured sound insulating panel
Assignee: Allen Industries Inc
•
Filing: 1967-07-14
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Granted: 1970-10-27
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Expires: 1987-07-14
Abstract
No abstract record available.
Inventors
- 👤 Edward G Goldstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:48
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B60; B60R; B60R13/00; B60R13/08; B60R13/0815; B60R13/083; E04B; E04B1/00; E04B1/62; E04B1/74; E04B2001/742; E04B2001/743; Y; Y02; Y02A; Y02A30/00; Y02A30/24; Y02A30/244; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |