US1433010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-storage battery
Assignee: Individual
•
Filing: 1921-07-21
•
Granted: 1922-10-24
•
Expires: 1941-07-21
Abstract
No abstract record available.
Inventors
- 👤 Hogan George Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:08
CPC Classifications
F; F28; F28D; F28D20/00; F28D20/02; F28D20/028; C; C09; C09K; C09K5/00; C09K5/02; C09K5/06; C09K5/063; Y; Y02; Y02E; Y02E60/00; Y02E60/14
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) | 1925-10-23 | 1926-04-24 | 1926-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-23 | 1930-04-24 | 1930-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-23 | 1934-04-24 | 1934-10-24 | $7700.00 | Window Closed / Lapsed |