US2709133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving the odor of cellulosic pulp by-products
Assignee: Syensqo USA LLC
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Filing: 1953-03-04
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Granted: 1955-05-24
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Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Meuly Walter Christian
- 👤 Breckenridge K Tremaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:25
CPC Classifications
D; D21; D21C; D21C3/00; D21C3/22; D21C3/222; A; A61; A61L; A61L11/00; A61L9/00; A61L9/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |