US1910382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for slushing pulp sheets
Assignee: Sturtevant Mill Co
•
Filing: 1932-08-05
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Granted: 1933-05-23
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Expires: 1952-08-05
Abstract
No abstract record available.
Inventors
- 👤 William T Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:54
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/08; B; B02; B02C; B02C13/00; B02C13/26; B02C13/28; D21B1/066; D21D; D21D1/00; D21D1/20; D21D1/32; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64
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) | 1936-05-22 | 1936-11-21 | 1937-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-22 | 1940-11-21 | 1941-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-22 | 1944-11-21 | 1945-05-23 | $7700.00 | Window Closed / Lapsed |