Patent US2622183A successfully refreshed from Google Patents.
US2622183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated inspissator
Assignee: Individual
•
Filing: 1950-12-22
•
Granted: 1952-12-16
•
Expires: 1970-12-22
Abstract
No abstract record available.
Inventors
- 👤 Samuel N Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:24
CPC Classifications
B; B01; B01L; B01L7/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1032647A
Cited
US1213163A
Cited
GB118423A
Cited
US1695008A
Cited
US1828257A
Cited
US2494843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |