Patent US2723659A successfully refreshed from Google Patents.
US2723659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible burner
Assignee: Ozark-Mahoning Co
•
Filing: 1951-01-30
•
Granted: 1955-11-15
•
Expires: 1971-01-30
Abstract
No abstract record available.
Inventors
- 👤 Walter L Young
- 👤 Clarence J Douglas
- 👤 Rudolph J Stengl
- 👤 Floyd B Bedwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:45
CPC Classifications
F; F23; F23C; F23C3/00; F23C3/004
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE363452C
Cited
US1369602A
Cited
US1656907A
Cited
US1950980A
Cited
US1798785A
Cited
US2159759A
Cited
US2118479A
Cited
US2418566A
Cited
US2458541A
Cited
US2506853A
Cited
US2486481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |