US2534291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming thermoplastic sheeting
Assignee: Eastman Kodak Co
•
Filing: 1948-02-26
•
Granted: 1950-12-19
•
Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 William R Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:37
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/24; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/56; B29B7/568; B29B7/58; B29B7/62; B29B7/625; B29B7/80; B29B7/82
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |