US2722749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating food items with radiant heat
Assignee: Individual
•
Filing: 1951-06-21
•
Granted: 1955-11-08
•
Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Henry D Dargert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:31
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/42; A21B1/48; A21B2/00; A23; A23B; A23B2/00; A23B2/05; A23B2/40; A23B2/42; A23B2/425; A23B2/90; A23B2/97; A23B4/00; A23B4/03; A23B4/031; A23B7/00; A23B7/02
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |