Patent US2492705A successfully refreshed from Google Patents.
US2492705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coke ignition device
Assignee: Individual
•
Filing: 1947-11-18
•
Granted: 1949-12-27
•
Expires: 1967-11-18
Abstract
No abstract record available.
Inventors
- 👤 Mason Donald Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:39
CPC Classifications
F; F23; F23Q; F23Q13/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US572636A
Cited
DE334523C
Cited
USRE16149E
Cited
US961912A
Cited
US1071442A
Cited
US1587197A
Cited
US1680630A
Cited
US1867934A
Cited
US1977151A
Cited
US2210720A
Cited
US2192732A
Cited
US2234004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |