US1367428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base for metal-cutting compounds and process of preparing the same
Assignee: EF Houghton and Co
•
Filing: 1919-03-25
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Granted: 1921-02-01
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Expires: 1939-03-25
Abstract
No abstract record available.
Inventors
- 👤 George W Pressell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:31
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M135/04; C10M135/06; C10M2201/00; C10M2201/04; C10M2201/043; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2070/00; C10N2070/02
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) | 1924-02-01 | 1924-08-02 | 1925-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-01 | 1928-08-02 | 1929-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-01 | 1932-08-02 | 1933-02-01 | $7700.00 | Window Closed / Lapsed |