Patent US2569652A successfully refreshed from Google Patents.
US2569652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oven vent for ranges
Assignee: HOTPOINT Inc
•
Filing: 1948-02-21
•
Granted: 1951-10-02
•
Expires: 1968-02-21
Abstract
No abstract record available.
Inventors
- 👤 Leo F Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:28
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1491654A
Cited
USRE22177E
Cited
DE680986C
Cited
US2384262A
Cited
US2387734A
Cited
US2337349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |