USRE19654E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber composition and method of
Assignee: —
•
Filing: —
•
Granted: 1935-07-23
•
Expires: 1952-07-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/35; C08K5/357; C08K5/3412; C08K5/3415; C08K5/3417; C08K5/3442; C08K5/3462; C08K5/353; C08K5/36; C08K5/45; C08K5/46
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) | 1938-07-22 | 1939-01-21 | 1939-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-22 | 1943-01-21 | 1943-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-22 | 1947-01-21 | 1947-07-23 | $7700.00 | Window Closed / Lapsed |