US2537346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of liquid and vapor in an evaporator or the like
Assignee: Individual
•
Filing: 1946-05-20
•
Granted: 1951-01-09
•
Expires: 1966-05-20
Abstract
No abstract record available.
Inventors
- 👤 Roy O Henszey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:49
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US521946A
Cited
DE457784C
Cited
US1067010A
Cited
US1213596A
Cited
US1298925A
Cited
US1562713A
Cited
US1723034A
Cited
US1762493A
Cited
US1783813A
Cited
US2121999A
Cited
US2106589A
Cited
US2172236A
Cited
US2399842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |