US1998866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for calendering plastic material
Assignee: Hood Rubber Co
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Filing: 1933-11-15
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Granted: 1935-04-23
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Expires: 1953-11-15
Abstract
No abstract record available.
Inventors
- 👤 Fred D Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:05
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/18; B29C43/00; B29C43/22; B29D; B29D35/00; B29D35/12; B29D35/122; B29D35/128; Y; Y10; Y10S; Y10S425/00; Y10S425/235; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1067; Y10T156/1069
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) | 1938-04-22 | 1938-10-22 | 1939-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-22 | 1942-10-22 | 1943-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-22 | 1946-10-22 | 1947-04-23 | $7700.00 | Window Closed / Lapsed |