US2418063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing and concentrating residue from containers
Assignee: Rice & Adams Corp
•
Filing: 1941-03-01
•
Granted: 1947-03-25
•
Expires: 1961-03-01
Abstract
No abstract record available.
Inventors
- 👤 Alling E Roy
- 👤 Henning A Trebler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:33
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/0839; B08B9/0843
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1640835A
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US1737938A
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US1846564A
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US2050634A
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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) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |