US2536613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oven heating unit
Assignee: HOTPOINT Inc
•
Filing: 1947-08-15
•
Granted: 1951-01-02
•
Expires: 1967-08-15
Abstract
No abstract record available.
Inventors
- 👤 Herman W Schulze
- 👤 Leland B Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/06; F24C15/00; F24C15/16; F24C15/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US424922A
Cited
US1835602A
Cited
US2024386A
Cited
US2258144A
Cited
US2442900A
Cited
US2221595A
Cited
US2466409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |