US1981184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of latex
Assignee: Uniroyal Chemical Co Inc
•
Filing: 1930-03-06
•
Granted: 1934-11-20
•
Expires: 1950-03-06
Abstract
No abstract record available.
Inventors
- 👤 Mcgavack John
- 👤 Ralph F Tefft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:06
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/02; C08C1/06; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926
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) | 1937-11-19 | 1938-05-21 | 1938-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-19 | 1942-05-21 | 1942-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-19 | 1946-05-21 | 1946-11-20 | $7700.00 | Window Closed / Lapsed |