US2530675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pan type vapor burner
Assignee: Individual
•
Filing: 1946-01-03
•
Granted: 1950-11-21
•
Expires: 1966-01-03
Abstract
No abstract record available.
Inventors
- 👤 Stephen S Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:44
CPC Classifications
F; F23; F23D; F23D5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US683324A
Cited
US846993A
Cited
US1293226A
Cited
US1417745A
Cited
US1537687A
Cited
US1479538A
Cited
US1579310A
Cited
US1861997A
Cited
US2260548A
Cited
US2247848A
Cited
US2265925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |