Patent US2131235A successfully refreshed from Google Patents.
US2131235A
Expired / Lapsed
US
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Deodorizing material
Assignee: Individual
•
Filing: 1933-10-30
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Granted: 1938-09-27
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Expires: 1953-10-30
Abstract
No abstract record available.
Inventors
- 👤 James W H Randall
- 👤 Hubert Van Grunenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:23
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4966; A61L; A61L15/00; A61L15/16; A61L15/20
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) | 1941-09-26 | 1942-03-28 | 1942-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-26 | 1946-03-28 | 1946-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-26 | 1950-03-28 | 1950-09-27 | $7700.00 | Window Closed / Lapsed |