US2312896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation product and process for preparing same
Assignee: BASF Schweiz AG
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Filing: 1941-01-22
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Granted: 1943-03-02
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Expires: 1961-01-22
Abstract
No abstract record available.
Inventors
- 👤 Graenacher Charles
- 👤 Sallmann Richard
- 👤 Albrecht Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:42
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/415; B; B42; B42D; B42D19/00
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) | 1946-03-01 | 1946-08-31 | 1947-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-01 | 1950-08-31 | 1951-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-01 | 1954-08-31 | 1955-03-02 | $7700.00 | Window Closed / Lapsed |