US2377946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for shaping thermoplastic sheets
Assignee: EIDP Inc
•
Filing: 1940-12-27
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Granted: 1945-06-12
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Expires: 1960-12-27
Abstract
No abstract record available.
Inventors
- 👤 Richard E Leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:28
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/10; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/013; Y10S425/11; Y10S425/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-06-11 | 1948-12-11 | 1949-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-11 | 1952-12-11 | 1953-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-11 | 1956-12-11 | 1957-06-12 | $7700.00 | Window Closed / Lapsed |