US2594094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner with flame retention ports
Assignee: Fisher Scientific Co LLC
•
Filing: 1948-03-11
•
Granted: 1952-04-22
•
Expires: 1968-03-11
Abstract
No abstract record available.
Inventors
- 👤 Todd Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:32
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR422597A
Cited
US1259885A
Cited
US1357324A
Cited
DE353632C
Cited
US1480260A
Cited
US1471123A
Cited
US1535491A
Cited
US1835215A
Cited
US1973371A
Cited
US2073448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |