Patent US2925534A successfully refreshed from Google Patents.
US2925534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment of gases
Assignee: Lanteris Space LLC
•
Filing: 1958-03-11
•
Granted: 1960-02-16
•
Expires: 1978-03-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry D Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:54
CPC Classifications
H; H01; H01T; H01T23/00; F; F24; F24F; F24F8/00; F24F8/10; F24F8/192; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2318093A
Cited
US2484202A
Cited
US2585799A
Cited
US2617761A
Cited
US2617860A
Cited
US2589613A
Cited
US2756840A
Cited
GB764264A
Cited
US2721622A
Cited
DK34384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |