US1284876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically-heated tank or reservoir.
Assignee: TORONTO POWER Co Ltd
•
Filing: 1918-01-18
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Granted: 1918-11-12
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Expires: 1938-01-18
Abstract
No abstract record available.
Inventors
- 👤 Farley Granger Clark
- 👤 Paul Ackerman
- 👤 Charles Ernest Cansfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:01
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0216; F; F24; F24H; F24H15/00; F24H15/20; F24H15/269; F24H15/30; F24H15/355; F24H15/37; F24H9/00; F24H9/20; F24H9/2007; F24H9/2014; F24H9/2021
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) | 1921-11-11 | 1922-05-13 | 1922-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-11 | 1926-05-13 | 1926-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-11 | 1930-05-13 | 1930-11-12 | $7700.00 | Window Closed / Lapsed |