Patent US1242250A successfully refreshed from Google Patents.
US1242250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-furnace control.
Assignee: General Electric Co
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Filing: 1916-05-08
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Granted: 1917-10-09
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Expires: 1936-05-08
Abstract
No abstract record available.
Inventors
- 👤 John A Seede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:22
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/36; H05B41/38; H05B41/39; H05B41/392; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32
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) | 1920-10-08 | 1921-04-09 | 1921-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-08 | 1925-04-09 | 1925-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-08 | 1929-04-09 | 1929-10-09 | $7700.00 | Window Closed / Lapsed |