Patent US4013878A successfully refreshed from Google Patents.
Patent US903164A successfully refreshed from Google Patents.
US903164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic apparatus.
Assignee: Individual
•
Filing: 1907-05-11
•
Granted: 1908-11-10
•
Expires: 1927-05-11
Abstract
No abstract record available.
Inventors
- 👤 Paul Borgnet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:05
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/007; C25D; C25D1/00; C25D1/02; C25D5/00; C25D5/04; C25D5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1911-11-10 | 1912-05-11 | 1912-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-11-10 | 1916-05-11 | 1916-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-11-10 | 1920-05-11 | 1920-11-10 | $7700.00 | Window Closed / Lapsed |