US1579138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cell
Assignee: ELEK ZITATS AG VORMALS SCHUCKE
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Filing: 1924-07-18
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Granted: 1926-03-30
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Expires: 1944-07-18
Abstract
No abstract record available.
Inventors
- 👤 Petz Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:29
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/17; C25B9/19; C25B9/21; C25B9/70; C25B9/73; C25B9/75
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) | 1929-03-29 | 1929-09-28 | 1930-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-29 | 1933-09-28 | 1934-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-29 | 1937-09-28 | 1938-03-30 | $7700.00 | Window Closed / Lapsed |