US1151003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic material and process of making same.
Assignee: Individual
•
Filing: 1915-05-04
•
Granted: 1915-08-24
•
Expires: 1935-05-04
Abstract
No abstract record available.
Inventors
- 👤 Carleton Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:32
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755
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) | 1918-08-23 | 1919-02-22 | 1919-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-23 | 1923-02-22 | 1923-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-23 | 1927-02-22 | 1927-08-24 | $7700.00 | Window Closed / Lapsed |