US3109439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint stripping system
Assignee: Ajem Laboratories Inc
•
Filing: 1959-09-03
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Granted: 1963-11-05
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Expires: 1979-09-03
Abstract
No abstract record available.
Inventors
- 👤 Dewey M Evans
- 👤 Orlan M Arnold
- 👤 Francis G Rylance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:39
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
159 words
IN APPARATUS OF THE CHARACTER DESCRIBED FOR CLEANING MACHINE PARTS BY SUBMERGING THEM IN A VOLATILE CLEANING LIQUID, THE COMBINATION WHICH COMPRISES AN ELONGATED CLEANING AND STRIPPING TANK FOR CONTAINING A SUPPLY OF SAID VOLATILE CLEANING LIQUID, MEANS FOR MOVING SAID PARTS SUBSTANTIALLY CONTINOUSLY THROUGH SAID TANK AND SUBMERGED IN SAID LIQUID, MEANS FOR SUPPLYING TO THE UPPER SURFACE OF SAID CLEANING LIQUID A FLOATING LAYER OF A SEALING LIQUID LESS VOLATILE AND LIGHTER THAN SAID CLEANING LIQUID FOR INHIBITING EVAPORATION OF SAID CLEANING LIQUID FROM SAID TANK, A MANIFOLD HAVING NOZZLES IN THE LOWER PART OF SAID TANK AND BENEATH SAID SURFACE OF SAID CLEANING LIQUID PUMP MEANS FOR RECIRCULATING SAID CLEANING LIQUID THROUGH SAID MANIFOLD AND OUT OF SAID NOZZLES FOR CREATING JET TURBULENCE IN SAID TANKS, SAID NOZZLES BEING POSITIONED TO DIRECT SAID JET TURBULANCE AGAINST THE DIRECTION OF SAID MOVEMENT OF SAID PARTS THROUGH SAID TANK FOR SCRUBBING ACTION OF SAID LIQUID AGAINST SAID PARTS.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |