US2665450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuous production of absorbing material
Assignee: Celloplast AB
•
Filing: 1950-03-27
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Granted: 1954-01-12
•
Expires: 1970-03-27
Abstract
No abstract record available.
Inventors
- 👤 Lindquist Curt Axel John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:17
CPC Classifications
B; B29; B29C; B29C44/00; A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/425; Y; Y10; Y10S; Y10S264/00; Y10S264/61
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1590999A
Cited
GB435128A
Cited
US2289713A
Cited
US2308951A
Cited
US2336944A
Cited
US2540906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |