US2465346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dedusting process and product thereof
Assignee: Lever Brothers Co
•
Filing: 1943-07-15
•
Granted: 1949-03-29
•
Expires: 1963-07-15
Abstract
No abstract record available.
Inventors
- 👤 John W Bodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:36
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/06; C11D9/08; C11D9/10; C11D17/00; C11D17/0039; C11D17/06
Claims Analysis
Total Claims: 0
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US2183173A
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US2307253A
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US2326984A
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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) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |