US2019055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of preparing granulated rubber
Assignee: HEVEATEX Corp
•
Filing: 1934-01-16
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Granted: 1935-10-29
•
Expires: 1954-01-16
Abstract
No abstract record available.
Inventors
- 👤 Royce J Noble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:25
CPC Classifications
C; C08; C08C; C08C3/00; B; B66; B66C; B66C9/00; B66C9/18; C08C1/00; C08C1/14; C08C1/16; Y; Y10; Y10S; Y10S524/00; Y10S524/925
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) | 1938-10-28 | 1939-04-29 | 1939-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-28 | 1943-04-29 | 1943-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-28 | 1947-04-29 | 1947-10-29 | $7700.00 | Window Closed / Lapsed |