US2221870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stove
Assignee: ESTATE STOVE CO
•
Filing: 1938-06-20
•
Granted: 1940-11-19
•
Expires: 1958-06-20
Abstract
No abstract record available.
Inventors
- 👤 Bertrand B Kahn
- 👤 Carl J Hake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:41
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/16; F24C7/00; F24C7/08
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) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |