Patent US3307701A successfully refreshed from Google Patents.
Patent US2896705A successfully refreshed from Google Patents.
US2896705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporation of liquids
Assignee: Individual
•
Filing: 1956-03-23
•
Granted: 1959-07-28
•
Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 Ramen Torsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:50
CPC Classifications
D; D21; D21C; D21C11/00; D21C11/10; B; B01; B01D; B01D1/00; B01D1/26; Y; Y10; Y10S; Y10S159/00; Y10S159/08; Y10S159/22; Y10S159/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |