US2525581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating food material
Assignee: Ingersoll Rand Co
•
Filing: 1947-07-08
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Granted: 1950-10-10
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Expires: 1967-07-08
Abstract
No abstract record available.
Inventors
- 👤 Hubert J Bierman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:18
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; A23B7/158; A23B2/00; A23B2/10; A23B2/103; A23B7/005; A23B7/0053; A23B7/04; A23B7/0441; A23B7/06; A23B7/144; A23B7/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |