US1363815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode-holder
Assignee: Vanadium Corp of America
•
Filing: 1919-04-24
•
Granted: 1920-12-28
•
Expires: 1939-04-24
Abstract
No abstract record available.
Inventors
- 👤 Byramji D Saklatwalla
- 👤 Arthur N Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:02
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/103; H05B7/105
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) | 1923-12-28 | 1924-06-28 | 1924-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-28 | 1928-06-28 | 1928-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-28 | 1932-06-28 | 1932-12-28 | $7700.00 | Window Closed / Lapsed |