US2629652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous anhydrous lithium hydroxide granules
Assignee: Individual
•
Filing: 1946-04-03
•
Granted: 1953-02-24
•
Expires: 1966-04-03
Abstract
No abstract record available.
Inventors
- 👤 William H Schechter
- 👤 Elliott D Osgood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:15
CPC Classifications
A; A62; A62B; A62B19/00; C; C01; C01D; C01D15/00; C01D15/02
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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |