US1838826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservation and treatment of latex
Assignee: IG Farbenindustrie AG
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Filing: 1927-11-10
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Granted: 1931-12-29
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Expires: 1947-11-10
Abstract
No abstract record available.
Inventors
- 👤 Gunther Fritz
- 👤 Schuster Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:43
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/14; C08C1/15; C08K; C08K5/00; C08K5/36; C08K5/41; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/935
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) | 1934-12-28 | 1935-06-29 | 1935-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-28 | 1939-06-29 | 1939-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-28 | 1943-06-29 | 1943-12-29 | $7700.00 | Window Closed / Lapsed |