US1846220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for making rosin size emulsions
Assignee: Newport Industries Inc
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Filing: 1928-08-01
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Granted: 1932-02-23
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Expires: 1948-08-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel W Mccune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:47
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/06; F28C3/08; D; D21; D21H; D21H17/00; D21H17/62; Y; Y10; Y10S; Y10S261/00; Y10S261/76; Y10S516/00; Y10S516/924
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) | 1935-02-22 | 1935-08-24 | 1936-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-22 | 1939-08-24 | 1940-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-22 | 1943-08-24 | 1944-02-23 | $7700.00 | Window Closed / Lapsed |