US2630859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner and supporting plate
Assignee: HEATBATH APPLIANCES Inc
•
Filing: 1950-05-26
•
Granted: 1953-03-10
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 William J Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:34
CPC Classifications
F; F23; F23C; F23C5/00; F23C5/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190213007A
Cited
US1483322A
Cited
US1674531A
Cited
US1984933A
Cited
FR785820A
Cited
US2153938A
Cited
US2209477A
Cited
US2555546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |