Patent US4755939A successfully refreshed from Google Patents.
US2846121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispensing fluids
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1956-09-06
•
Granted: 1958-08-05
•
Expires: 1976-09-06
Abstract
No abstract record available.
Inventors
- 👤 Ronnebeck Heinrich Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:22
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/10; G01N35/1095; G01N35/1097; B; B01; B01F; B01F35/00; B01F35/71; B01F35/712; B01F35/80; B01F35/83; B01J; B01J4/00; B01J4/02; G01N30/00; G01N30/02; G01N30/04; G01N30/16; G01N30/20; G01N30/24; G01N2030/204; G01N2030/207; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/117497
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |