US3074117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making metal reinforced plastic articles
Assignee: American Optical Corp
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Filing: 1959-12-07
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Granted: 1963-01-22
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Earl S Carpenter
- 👤 Howard E Chace
- 👤 Chester B Derr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:50
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/12; B29C70/00; B29C70/02; B29C70/021; B29C70/025; B29C70/04; B29C70/26; B29D; B29D12/00; B29D12/02; B29C2793/00; B29C2793/0081; B29K; B29K2995/00; B29K2995/0037; B29K2995/0063; B29K2995/0064; Y; Y10; Y10S; Y10S264/00; Y10S264/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |