US2400508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cooker
Assignee: Individual
•
Filing: 1943-05-22
•
Granted: 1946-05-21
•
Expires: 1963-05-22
Abstract
No abstract record available.
Inventors
- 👤 Hermann Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F23; F23D; F23D14/00; F23D14/02; F23D14/04
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) | 1949-05-20 | 1949-11-19 | 1950-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-20 | 1953-11-19 | 1954-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-20 | 1957-11-19 | 1958-05-21 | $7700.00 | Window Closed / Lapsed |