US2185087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drying vulcanized fiber sheets
Assignee: CONTINENTAL DIAMOND FIBRE CO
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Filing: 1938-06-27
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Granted: 1939-12-26
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Expires: 1958-06-27
Abstract
No abstract record available.
Inventors
- 👤 Norman G Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:11
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/02; D21H17/00; D21H17/03; D21H17/05; D21H17/06; D21H17/63; D21H17/66; D21H23/00; D21H23/02; D21H23/22; D21H23/66; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034
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) | 1942-12-25 | 1943-06-26 | 1943-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-25 | 1947-06-26 | 1947-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-25 | 1951-06-26 | 1951-12-26 | $7700.00 | Window Closed / Lapsed |