US2426247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Getter apparatus
Assignee: UNITED ELECTRONIES Co
•
Filing: 1943-03-24
•
Granted: 1947-08-26
•
Expires: 1963-03-24
Abstract
No abstract record available.
Inventors
- 👤 Steiger Benjamin Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:31
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/186
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1712370A
Cited
US1966226A
Cited
US1917044A
Cited
US1895867A
Cited
US2043724A
Cited
US2093273A
Cited
US2154131A
Cited
US2183841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |