Patent US2005397A successfully refreshed from Google Patents.
US2005397A
Expired / Lapsed
US
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Manufacture of strengthened absorptive paper
Assignee: Brown Co
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Filing: 1933-01-21
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Granted: 1935-06-18
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Expires: 1953-01-21
Abstract
No abstract record available.
Inventors
- 👤 Milton O Schur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:46
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/18; D21H21/20; D21H21/22; D21H27/00; D21H27/002; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/25; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T428/31986
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) | 1938-06-17 | 1938-12-17 | 1939-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-17 | 1942-12-17 | 1943-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-17 | 1946-12-17 | 1947-06-18 | $7700.00 | Window Closed / Lapsed |