US1763313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for homogenizing devices
Assignee: Hexion Inc
•
Filing: 1928-03-21
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Granted: 1930-06-10
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Expires: 1948-03-21
Abstract
No abstract record available.
Inventors
- 👤 John M Mcclatchie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:07
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/44; B01F25/442; B01F25/4422; A; A01; A01J; A01J11/00; A01J11/16; B01F25/441; B01F25/4413
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) | 1933-06-09 | 1933-12-09 | 1934-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-09 | 1937-12-09 | 1938-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-09 | 1941-12-09 | 1942-06-10 | $7700.00 | Window Closed / Lapsed |