Patent US2693523A successfully refreshed from Google Patents.
US2693523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domestic appliance
Assignee: Motors Liquidation Co
•
Filing: 1951-07-18
•
Granted: 1954-11-02
•
Expires: 1971-07-18
Abstract
No abstract record available.
Inventors
- 👤 Francis H Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:51
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1006104A
Cited
US1543938A
Cited
US1855507A
Cited
US1927686A
Cited
FR760008A
Cited
US2015856A
Cited
US2092282A
Cited
US2430715A
Cited
US2446666A
Cited
US2522085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |