US1079895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater.
Assignee: ERNEST O ATWOOD
•
Filing: 1912-12-20
•
Granted: 1913-11-25
•
Expires: 1932-12-20
Abstract
No abstract record available.
Inventors
- 👤 Ivan F Talbot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0004
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) | 1916-11-24 | 1917-05-26 | 1917-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-11-24 | 1921-05-26 | 1921-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-11-24 | 1925-05-26 | 1925-11-25 | $7700.00 | Window Closed / Lapsed |