US2288865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utilization of gaseous mixtures containing hydrogen halide
Assignee: Jasco Inc
•
Filing: 1938-08-20
•
Granted: 1942-07-07
•
Expires: 1958-08-20
Abstract
No abstract record available.
Inventors
- 👤 Bachr Hans
- 👤 Deiters Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:16
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/11; C07C1/00; C07C1/26; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901; Y10S585/929; Y10S585/93; Y10S585/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-07-06 | 1946-01-05 | 1946-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-06 | 1950-01-05 | 1950-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-06 | 1954-01-05 | 1954-07-07 | $7700.00 | Window Closed / Lapsed |