US1032247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode.
Assignee: INTERNATIONAL ACHESON GRAPHITE Co
•
Filing: 1911-05-29
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Granted: 1912-07-09
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Expires: 1931-05-29
Abstract
No abstract record available.
Inventors
- 👤 William Acheson Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/02; H05B31/06; H05B31/08; H05B31/10
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) | 1915-07-09 | 1916-01-08 | 1916-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-07-09 | 1920-01-08 | 1920-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-07-09 | 1924-01-08 | 1924-07-09 | $7700.00 | Window Closed / Lapsed |