US1836021A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water dispersion of polymerized styrol and product made therefrom
Assignee: Uniroyal Chemical Co Inc
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Filing: 1930-11-03
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Granted: 1931-12-15
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Expires: 1950-11-03
Abstract
No abstract record available.
Inventors
- 👤 Willis A Gibbons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:00
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/48; H01B3/485; C; C05; C05C; C05C3/00; C08; C08K; C08K7/00; C08K7/02; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/06; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/35; C08L2205/00; C08L2205/14; C08L2205/16
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) | 1934-12-14 | 1935-06-15 | 1935-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-14 | 1939-06-15 | 1939-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-14 | 1943-06-15 | 1943-12-15 | $7700.00 | Window Closed / Lapsed |