Patent US3455348A successfully refreshed from Google Patents.
US3455348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for filling gloveboxes with a pure atmosphere
Assignee: European Atomic Energy Community Euratom
•
Filing: 1967-01-16
•
Granted: 1969-07-15
•
Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Alwig Stingele
- 👤 Robert De Cat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:07
CPC Classifications
G; G21; G21F; G21F7/00; G21F7/04; G21F7/041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2731297A
Cited
US2905560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |