US2445540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for injecting liquid chemicals into a flowing stream
Assignee: Individual
•
Filing: 1945-06-14
•
Granted: 1948-07-20
•
Expires: 1965-06-14
Abstract
No abstract record available.
Inventors
- 👤 Smillie George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:24
CPC Classifications
F; F01; F01L; F01L25/00; F01L25/02; F01L25/04; F01L25/06; C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B9/00; F04B9/08; F04B9/10; F04B9/103; F04B9/109; F04B9/117; F04B9/1172; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
SE93395C1
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DE627016C
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |