US2094608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrotropic material and method of making same
Assignee: Individual
•
Filing: 1936-06-08
•
Granted: 1937-10-05
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Expires: 1956-06-08
Abstract
No abstract record available.
Inventors
- 👤 Kritchevsky Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:19
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P1/6495; D06P1/6496; D06M; D06M13/00; D06M13/322; D06M13/402; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/905; Y10S516/914; Y10S516/915
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) | 1940-10-04 | 1941-04-05 | 1941-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-04 | 1945-04-05 | 1945-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-04 | 1949-04-05 | 1949-10-05 | $7700.00 | Window Closed / Lapsed |