US3289897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined agitator and fluid mover
Assignee: ROYAL LONDON Ltd
•
Filing: 1966-03-15
•
Granted: 1966-12-06
•
Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 Ginsberg Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:02
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/10; B67D1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A COMBINED AGITATOR AND FLUID LIFTING DEVICE COMPRISING A FRAME ADAPTED TO BE POSITIONED ADJACENT A FLUID CONTAINING RECEPTACLE; A CONDUIT EXTENDING AWAY FROM THE FRAME FOR IMMERSION IN THE FLUID; A HOUSING, ROTATABLY MOUNTED ON THE CONDUIT ADJACENT THE TERMINUS THEREOF, HAVING AN INLET OPENING IN COMMUNICATION WITH THE CONDUIT; A LIQUID LIFTING MECHANISM ROTATABLY MOUNTED IN THE HOUSING FOR MOVING A LIQUID THROUGH THE INLET OPENING AND INTO THE CONDUIT; MEANS FOR SELECTIVELY ROTATING THE LIQUID LIFTING MECHANISM INDEPENDENTLY OF THE HOUSING TO PROPEL LIQUID INTO THE CONDUIT; AND MEANS FOR SELECTIVELY ROTATING THE HOUSING TO AGITATE THE LIQUID IN THE RECEPTACLE.
Claim 2
Dependent Claim
104 words
A COMBINED AGITATOR AND FLUID LIFTING DEVICE COMPRISING A FRAME ADAPTED TO BE POSITIONED ADJACENT A FLUID CONTAINING RECEPTACLE; A CONDUIT EXTENDING AWAY FROM THE FRAME FOR IMMERSION IN THE FLUID; A HOUSING, ROTATABLY MOUNTED ON THE CONDUIT ADJACENT THE TERMINUS THEREOF, HAVING AN INLET OPENING IN COMMUNICATION WITH THE CONDUIT; A LIQUID LIFTING MECHANISM ROTATABLY MOUNTED IN THE HOUSING FOR MOVING A LIQUID THROUGH THE INLET OPENING AND INTO THE CONDUIT; MEANS FOR SELECTIVELY ROTATING THE LIQUID LIFTING MECHANISM INDEPENDENTLY OF THE HOUSING TO PROPEL LIQUID INTO THE CONDUIT; AND MEANS FOR SELECTIVELY ROTATING THE HOUSING TO AGITATE THE LIQUID IN THE RECEPTACLE.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |