Patent JPS6399550A successfully refreshed from Google Patents.
US3175772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam jet
Assignee: Allegheny Plastics Inc
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Filing: 1964-09-25
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Granted: 1965-03-30
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Expires: 1984-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robert M Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:03
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A JET FOR INTRODUCING STEAM AND LIQUIDS INTO CORROSIVE SOLUTIONS COMPRISING (A) A HOLLOW TUBE OF A TETRAFLUOROETHYLENE POLYMER POSSESSING PLASTIC MEMORY, (1) SAID TUBE BEING CURVED BETWEEN ITS ENDS TO FORM TWO ARMS EXTENDING AT AN ANGLE TO EACH OTHER, (2) BEING CLOSED AT ONE END, (3) HAVING MEANS AT THE OPPOSITE END TO CONNECT IT TO A SOURCE OF MATERIAL TO BE INTRODUCED INTO A SOLUTION, AND (4) HAVING OUTLET HOLES ADJACENT THE CLOSED END, AND, (B) A RIGID METAL LINER MEANS RESISTANT TO ACID CORROSION WITHIN THE CURVED PORTION OF SAID TUBE FOR PREVENTING STRAIGHTENING OF SAID TUBE BY PLASTIC MEMORY ON HEATING OF SAID TUBE.
Claim 2
Dependent Claim
109 words
A JET FOR INTRODUCING STEAM AND LIQUIDS INTO CORROSIVE SOLUTIONS COMPRISING (A) A HOLLOW TUBE OF A TETRAFLUOROETHYLENE POLYMER POSSESSING PLASTIC MEMORY, (1) SAID TUBE BEING CURVED BETWEEN ITS ENDS TO FORM TWO ARMS EXTENDING AT AN ANGLE TO EACH OTHER, (2) BEING CLOSED AT ONE END, (3) HAVING MEANS AT THE OPPOSITE END TO CONNECT IT TO A SOURCE OF MATERIAL TO BE INTRODUCED INTO A SOLUTION, AND (4) HAVING OUTLET HOLES ADJACENT THE CLOSED END, AND, (B) A RIGID METAL LINER MEANS RESISTANT TO ACID CORROSION WITHIN THE CURVED PORTION OF SAID TUBE FOR PREVENTING STRAIGHTENING OF SAID TUBE BY PLASTIC MEMORY ON HEATING OF SAID TUBE.
References Cited (Backward Citations)
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |