US2262989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming thermoplastic sheeting
Assignee: Eastman Kodak Co
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Filing: 1938-03-26
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Granted: 1941-11-18
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Expires: 1958-03-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Conklin
- 👤 John S Kimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:32
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/86; B29C48/87; B29C48/03; B29C48/07; B29C48/08; B29C48/30; B29C48/305; B29C48/36; B29C48/362; B29C48/49; B29C48/793; B29C48/797; B29C48/80; B29C48/83; B29C48/832; B29C48/834; B29C48/865; B29C48/001; B29C48/0018
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) | 1944-11-17 | 1945-05-19 | 1945-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-17 | 1949-05-19 | 1949-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-17 | 1953-05-19 | 1953-11-18 | $7700.00 | Window Closed / Lapsed |