Patent US2323075A successfully refreshed from Google Patents.
US2323075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing thiuronium salts
Assignee: Individual
•
Filing: 1939-01-31
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Granted: 1943-06-29
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Expires: 1959-01-31
Abstract
No abstract record available.
Inventors
- 👤 Orthner Ludwig
- 👤 Balle Gerhard
- 👤 Dittus Georg
- 👤 Wagner Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:49
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; C; C07; C07C; C07C335/00; C07C335/30; C07C335/32
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) | 1946-06-28 | 1946-12-28 | 1947-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-28 | 1950-12-28 | 1951-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-28 | 1954-12-28 | 1955-06-29 | $7700.00 | Window Closed / Lapsed |