US3352310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parts washer
Assignee: Individual
•
Filing: 1965-03-15
•
Granted: 1967-11-14
•
Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Robert E Doyscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:37
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/006; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7728
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A PARTS WASHING APPARATUS INCLUDING A FLUID RESERVOIR, A RECEPTACLE, A DRAIN PASSAGE CONNECTING SAID RECEPTACLE TO SAID RESERVOIR, AND A FLUID CONDUIT CONNECTED TO SAID RESERVOIR AND TERMINATING ABOVE SAID RECEPTACLE, A SOURCE OF AIR UNDER PRESSURE, A CONDUIT CONNECTING SAID AIR SUPPLY TO SAID RESERVOIR, AN AIR VALVE IN SAID CONDUIT A PIVOTAL ARM SUPPORTED BY SAID VALVE FOR MOVING SAID VALVE BETWEEN OPEN AND CLOSED POSITIONS, A VENT IN SAID CONDUIT BETWEEN SAID VALVE AND SAID RESERVOIR, A NORMALLY OPEN VENT VALVE PIVOTAL BETWEEN A NORMALLY OPEN POSITION IN WHICH SAID VENT IS OPEN, TO A CLOSED POSITION IN WHICH SAID VENT IS CLOSED, SAID PIVOTAL ARM BEING ENGAGEABLE WITH SAID VENT VALVE WHEN SAID AIR VALVE IS OPEN TO HOLD SAID VENT VALVE CLOSED.
Claim 2
Dependent Claim
128 words
A PARTS WASHING APPARATUS INCLUDING A FLUID RESERVOIR, A RECEPTACLE, A DRAIN PASSAGE CONNECTING SAID RECEPTACLE TO SAID RESERVOIR, AND A FLUID CONDUIT CONNECTED TO SAID RESERVOIR AND TERMINATING ABOVE SAID RECEPTACLE, A SOURCE OF AIR UNDER PRESSURE, A CONDUIT CONNECTING SAID AIR SUPPLY TO SAID RESERVOIR, AN AIR VALVE IN SAID CONDUIT A PIVOTAL ARM SUPPORTED BY SAID VALVE FOR MOVING SAID VALVE BETWEEN OPEN AND CLOSED POSITIONS, A VENT IN SAID CONDUIT BETWEEN SAID VALVE AND SAID RESERVOIR, A NORMALLY OPEN VENT VALVE PIVOTAL BETWEEN A NORMALLY OPEN POSITION IN WHICH SAID VENT IS OPEN, TO A CLOSED POSITION IN WHICH SAID VENT IS CLOSED, SAID PIVOTAL ARM BEING ENGAGEABLE WITH SAID VENT VALVE WHEN SAID AIR VALVE IS OPEN TO HOLD SAID VENT VALVE CLOSED.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |