US2559249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared oven structure
Assignee: Individual
•
Filing: 1948-02-18
•
Granted: 1951-07-03
•
Expires: 1968-02-18
Abstract
No abstract record available.
Inventors
- 👤 William H Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:01
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/06; F26B25/08; F26B3/00; F26B3/28; F26B3/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2124242A
Cited
US2178667A
Cited
US2263866A
Cited
US2418283A
Cited
US2405631A
Cited
US2419643A
Cited
US2475103A
Cited
US2472293A
Cited
US2473216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |