US1452151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous thickening process
Assignee: General Engineering Co Ltd
•
Filing: 1918-02-19
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Granted: 1923-04-17
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Expires: 1938-02-19
Abstract
No abstract record available.
Inventors
- 👤 Genter Albert Legrand
- 👤 Jones George Cambell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:55
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/114; B01D29/50; B01D29/52; B01D29/62; B01D29/66; B01D29/88; B01D29/90; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0446
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) | 1926-04-16 | 1926-10-16 | 1927-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-04-16 | 1930-10-16 | 1931-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-04-16 | 1934-10-16 | 1935-04-17 | $7700.00 | Window Closed / Lapsed |