US1161200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of zeolites.
Assignee: Individual
•
Filing: 1913-07-14
•
Granted: 1915-11-23
•
Expires: 1933-07-14
Abstract
No abstract record available.
Inventors
- 👤 Paul De Bruenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:26
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; C; C01; C01B; C01B39/00; C01B39/02
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) | 1918-11-22 | 1919-05-24 | 1919-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-22 | 1923-05-24 | 1923-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-22 | 1927-05-24 | 1927-11-23 | $7700.00 | Window Closed / Lapsed |