US2872559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Design and arrangement of electric hot-plates for electric ovens
Assignee: Ettra KG Leicht & Trambauer
•
Filing: 1956-04-16
•
Granted: 1959-02-03
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Leicht Alfons Andreas
- 👤 Bakaloff Todor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:54
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/102; F24C15/103
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE680553C
Cited
CA476329A
Cited
US2028604A
Cited
GB446951A
Cited
US2260961A
Cited
US2724043A
Cited
US2754405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |