US1091563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor electric apparatus.
Assignee: General Electric Co
•
Filing: 1904-04-04
•
Granted: 1914-03-31
•
Expires: 1924-04-04
Abstract
No abstract record available.
Inventors
- 👤 John T H Dempster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:20
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/002
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) | 1917-03-30 | 1917-09-29 | 1918-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-03-30 | 1921-09-29 | 1922-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-03-30 | 1925-09-29 | 1926-03-31 | $7700.00 | Window Closed / Lapsed |