US3219736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing hydrostatic pressure
Assignee: Individual
•
Filing: 1962-07-31
•
Granted: 1965-11-23
•
Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Eugene A Stisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:08
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/34; B30B11/00; B30B11/001; B30B11/004; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/64; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S264/00; Y10S264/71; Y10S425/00; Y10S425/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A METHOD OF COMPACTING A PREFORMED BODY WHICH HAS A DENSITY BELOW ITS THEORETICAL DENSITY, THE STEPS OF CONTIGUOUSLY SURROUNDING SAID BODY WITH A MATERIAL HAVING A SUBSTANTIALLY HIGHER COEFFICIENT OF THERMAL EXPANSION AND A LOWER MELTING POINT THAN SAID BODY, RAPIDLY HEATING SAID BODY AND SAID MATERIAL TO A TEMPERATURE ABOVE THE MELTIN POINT OF SAID MATERIAL, COOLING FIRST THE OUTER PERIPHERAL PORTION OF SAID MATERIAL TO A TEMPERATURE BELOW ITS MELTING POINT TO FORM A HARD CONTRACTED SHELL, COOLING THE REMAINDER OF SAID MATERIAL TO A TEMPERATURE BELOW ITS MELTING POINT TO FORM A HARD CONTRACTED SHELL, COOLING THE REMAINDER OF SAID MATERIAL TO A TEMPERATURE BELOW IT MELTING POINT, SAID COOLING REACHING SAID PREFORMED BODY LAST, THEREBY SIMULTANEOUSLY SUBJECTING SAID BODY TO A HIGH TEMPERATURE AND A HIGH PRESSURE, AND THEREAFTER REMOVING SAID MATERIAL FROM ABOUT SAID BODY.
Claim 2
Dependent Claim
142 words
IN A METHOD OF COMPACTING A PREFORMED BODY WHICH HAS A DENSITY BELOW ITS THEORETICAL DENSITY, THE STEPS OF CONTIGUOUSLY SURROUNDING SAID BODY WITH A MATERIAL HAVING A SUBSTANTIALLY HIGHER COEFFICIENT OF THERMAL EXPANSION AND A LOWER MELTING POINT THAN SAID BODY, RAPIDLY HEATING SAID BODY AND SAID MATERIAL TO A TEMPERATURE ABOVE THE MELTIN POINT OF SAID MATERIAL, COOLING FIRST THE OUTER PERIPHERAL PORTION OF SAID MATERIAL TO A TEMPERATURE BELOW ITS MELTING POINT TO FORM A HARD CONTRACTED SHELL, COOLING THE REMAINDER OF SAID MATERIAL TO A TEMPERATURE BELOW ITS MELTING POINT TO FORM A HARD CONTRACTED SHELL, COOLING THE REMAINDER OF SAID MATERIAL TO A TEMPERATURE BELOW IT MELTING POINT, SAID COOLING REACHING SAID PREFORMED BODY LAST, THEREBY SIMULTANEOUSLY SUBJECTING SAID BODY TO A HIGH TEMPERATURE AND A HIGH PRESSURE, AND THEREAFTER REMOVING SAID MATERIAL FROM ABOUT SAID BODY.
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |