Patent US3481818A successfully refreshed from Google Patents.
US3481818A
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US
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Embossed laminated plastic panel and method of making same
Assignee: Carolite Inc
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Filing: 1964-09-29
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Granted: 1969-12-02
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Larry A Wellen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:57
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/26; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2429340A
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US2392594A
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US2477300A
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US2810423A
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US2865046A
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GB883396A
Cited
US2976567A
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US3116194A
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US3160917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |