US1045889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making sodium bicarbonate and organic substances from soda-pulp-waste liquor.
Assignee: Individual
•
Filing: 1911-01-27
•
Granted: 1912-12-03
•
Expires: 1931-01-27
Abstract
No abstract record available.
Inventors
- 👤 Erik Ludvig Rinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:49
CPC Classifications
C; C01; C01D; C01D7/00; C01D7/18; Y; Y10; Y10S; Y10S423/00; Y10S423/03
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) | 1915-12-03 | 1916-06-03 | 1916-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-12-03 | 1920-06-03 | 1920-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-12-03 | 1924-06-03 | 1924-12-03 | $7700.00 | Window Closed / Lapsed |