US919445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozonizer.
Assignee: W W GIBBS
•
Filing: 1909-01-20
•
Granted: 1909-04-27
•
Expires: 1929-01-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony Lohman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:47
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11
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) | 1912-04-26 | 1912-10-26 | 1913-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-04-26 | 1916-10-26 | 1917-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-04-26 | 1920-10-26 | 1921-04-27 | $7700.00 | Window Closed / Lapsed |