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US1668879A
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US
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Method for the dispersion of rubber into a colloidal substance
Assignee: Goodrich Corp
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Filing: 1926-04-23
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Granted: 1928-05-08
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Expires: 1946-04-23
Abstract
No abstract record available.
Inventors
- 👤 Harlan L Trumbull
- 👤 John B Dickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:54
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J2321/00
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) | 1931-05-08 | 1931-11-07 | 1932-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-08 | 1935-11-07 | 1936-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-08 | 1939-11-07 | 1940-05-08 | $7700.00 | Window Closed / Lapsed |