US1176541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of electrolysis.
Assignee: Pennsylvania Salt Manufacturing Co
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Filing: 1913-10-25
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Granted: 1916-03-21
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Expires: 1933-10-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Gibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:01
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/46; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/46104
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) | 1919-03-21 | 1919-09-20 | 1920-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-03-21 | 1923-09-20 | 1924-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-03-21 | 1927-09-20 | 1928-03-21 | $7700.00 | Window Closed / Lapsed |