US3444022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of aluminum-plastic laminate forming
Assignee: Rio Tinto Switzerland AG
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Filing: 1965-09-27
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Granted: 1969-05-13
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Heinz F Bichsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:55
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04; C22F1/053; B; B29; B29C; B29C51/00; B29C51/14; B29C63/00; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C22C; C22C21/00; C22C21/10; B29K; B29K2705/00; B29K2705/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578979A
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US2630396A
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US2861022A
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US2851372A
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US3090715A
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US3206848A
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US3323965A
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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) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |