US2944479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum-steam processor
Assignee: Cherry Burrell Corp
•
Filing: 1956-10-25
•
Granted: 1960-07-12
•
Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 John C Walsh
- 👤 William M Haselton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:56
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; A01; A01J; A01J11/00; A01J11/04; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732308A
Cited
US2019491A
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US2041059A
Cited
US2452960A
Cited
US2665628A
Cited
US2644758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |