US2563944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety control for gas stoves
Assignee: Individual
•
Filing: 1948-02-16
•
Granted: 1951-08-14
•
Expires: 1968-02-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Lade
- 👤 Ernest G Silverton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:19
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/12; F24C3/126
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2080070A
Cited
US2095813A
Cited
US961904A
Cited
US1676671A
Cited
US1635104A
Cited
US1870007A
Cited
US2183855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |