US1864852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing paper
Assignee: UNION MILLS PAPER MANUFACTURING Co
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Filing: 1929-10-29
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Granted: 1932-06-28
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Expires: 1949-10-29
Abstract
No abstract record available.
Inventors
- 👤 Daniel B Oblinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:34
CPC Classifications
D; D21; D21G; D21G1/00; D21G1/0073; D21G1/0093; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/471; Y10T29/473
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) | 1935-06-28 | 1935-12-28 | 1936-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-28 | 1939-12-28 | 1940-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-28 | 1943-12-28 | 1944-06-28 | $7700.00 | Window Closed / Lapsed |