US2742914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for continuously maintaining uniform the composition of a composite liquid
Assignee: Standfast Dyers and Printers Ltd
•
Filing: 1951-08-06
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Granted: 1956-04-24
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Expires: 1971-08-06
Abstract
No abstract record available.
Inventors
- 👤 Robert Stewart Erskine Hannay
- 👤 William Kilby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:23
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/20; D06B23/205; B; B01; B01F; B01F25/00; B01F25/50; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/4673; Y10T137/4807; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/8593; Y10T137/86493; Y10T137/86847; Y10T137/8807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1082287A
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US1140742A
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US1820210A
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US2057027A
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US2389413A
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US2389412A
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US2424163A
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US2582802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |