US2960146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic panels and apparatus and procedure for producing same
Assignee: Individual
•
Filing: 1956-10-11
•
Granted: 1960-11-15
•
Expires: 1976-10-11
Abstract
No abstract record available.
Inventors
- 👤 Steele D Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29C53/28; B29C53/285; B29D; B29D24/00; B29D24/002; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854; B29L; B29L2031/00; B29L2031/10; B29L2031/30; B29L2031/3067; B29L2031/307; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016
Claims Analysis
Total Claims: 0
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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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |