US3450022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam infuser
Assignee: Kraft Inc
•
Filing: 1965-10-05
•
Granted: 1969-06-17
•
Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Martin E Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:06
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; A23B2/46; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; Y; Y10; Y10S; Y10S261/00; Y10S261/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2452260A
Cited
US2492635A
Cited
US2870028A
Cited
US2909985A
Cited
US3089683A
Cited
US3182975A
Cited
US3119704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |