US2944540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oven
Assignee: Individual
•
Filing: 1955-12-22
•
Granted: 1960-07-12
•
Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles C Littell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:37
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/027; F24C15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US929089A
Cited
US1636041A
Cited
US1534592A
Cited
US1998343A
Cited
US2019599A
Cited
US2003059A
Cited
GB452212A
Cited
FR790444A
Cited
US2133639A
Cited
US2383203A
Cited
US2341766A
Cited
US2429523A
Cited
US2382354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |