US3309067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable self-contained tank aerator
Assignee: Individual
•
Filing: 1964-04-22
•
Granted: 1967-03-14
•
Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 William R Brewster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:51
CPC Classifications
F; F04; F04B; F04B45/00; F04B45/02; A; A01; A01K; A01K63/00; A01K63/04; A01K63/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PORTABLE SELF-CONTAINED TANK AERATOR, INCLUDING A CASING, A ROTARY ELECTRIC MOTOR WITHIN SAID CASING, A VARIABLE DISPLACEMENT AIR PUMP WITHIN SAID CASING, AIR INLET MEANS COMMUNICATING WITH SAID PUMP FOR SUPPLYING AIR THERETO, AN AIR OUTLET CONDUIT CONNECTED TO SAID PUMP FOR DELIVERING TO A REMOTE LOCATION AIR DISCHARGED BY SAID PUMP, AND MECHANISM FOR ACTUATING SAID PUMP BY SAID MOTOR, SAID AIR PUMP COMPRISING A RECIPROCABLE PISTON HAVING A BIFURACTED DRIVEN END, SAID MECHANISM COMPRISING AN ECCENTRICALLY DRIVEN PIN EXTENDING OUT-
Claim 2
Dependent Claim
83 words
A PORTABLE SELF-CONTAINED TANK AERATOR, INCLUDING A CASING, A ROTARY ELECTRIC MOTOR WITHIN SAID CASING, A VARIABLE DISPLACEMENT AIR PUMP WITHIN SAID CASING, AIR INLET MEANS COMMUNICATING WITH SAID PUMP FOR SUPPLYING AIR THERETO, AN AIR OUTLET CONDUIT CONNECTED TO SAID PUMP FOR DELIVERING TO A REMOTE LOCATION AIR DISCHARGED BY SAID PUMP, AND MECHANISM FOR ACTUATING SAID PUMP BY SAID MOTOR, SAID AIR PUMP COMPRISING A RECIPROCABLE PISTON HAVING A BIFURACTED DRIVEN END, SAID MECHANISM COMPRISING AN ECCENTRICALLY DRIVEN PIN EXTENDING OUT-
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |