Patent US1588976A successfully refreshed from Google Patents.
US1588976A
Expired / Lapsed
US
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Electrical apparatus for generating ozone
Assignee: Individual
•
Filing: 1924-04-12
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Granted: 1926-06-15
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Expires: 1944-04-12
Abstract
No abstract record available.
Inventors
- 👤 Mcblain James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:35
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B2201/00; C01B2201/10; C01B2201/20; C01B2201/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
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) | 1929-06-14 | 1929-12-14 | 1930-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-06-14 | 1933-12-14 | 1934-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-06-14 | 1937-12-14 | 1938-06-15 | $7700.00 | Window Closed / Lapsed |