US2929691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating fluorides by sublimation
Assignee: CENTRE D'ETUDES POUR LES APPLICATIONS DE L'ENERGIE NUCLEAIRE
•
Filing: 1956-09-24
•
Granted: 1960-03-22
•
Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Decroly Claude
- 👤 Tytgat Denis
- 👤 Gerard Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:38
CPC Classifications
C; C01; C01G; C01G25/00; C01G25/04; B; B01; B01D; B01D7/00; C01B; C01B9/00; C01B9/08; C01G1/00; C01G1/06; C01G9/00; C01G9/04; C22; C22B; C22B19/00; C22B19/04; C22B19/16
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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |