Patent US1949575A successfully refreshed from Google Patents.
Patent US3098294A successfully refreshed from Google Patents.
US3098294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant for metal forming process
Assignee: Individual
•
Filing: 1960-11-30
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Granted: 1963-07-23
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:02
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/54; Y; Y10; Y10S; Y10S72/00; Y10S72/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A PROCESS OF COLD DRAWING A SMALL ARTICLE FROM A DRAW PIECE MADE OF A METAL SELECTED FROM THE GROUP CONSISTING OF 70-30 BRASS, 80-20 BRASS, AND MILD STEEL, THE STEPS COMPRISING IMMERSING THE METAL TO BE COLD DRAWN IN AN AQUEOUS SOLUTION OF ABOUT 1 TO 2% SODIUM BEHENATE SOAP, SAID SOLUTION BEING MAINTAINED AT A TEMPERATURE BETWEEN ABOUT 150 TO 200*F., PERMITTING SAID IMMERSED METAL TO REMAIN SUBMERGED IN SAID HEATED SOLUTION FOR A PERIOD RANGING BETWEEN ABOUT 3 TO 5 MINUTES, REMOVING SAID IMMERSED METAL FROM THE HEATED SOLUTION AND COLD DRAWING SAID REMOVED METAL INTO A SMALL ARTICLE WHILE FLOODING WITH SAID HEATED SOLUTION.
Claim 2
Dependent Claim
109 words
IN A PROCESS OF COLD DRAWING A SMALL ARTICLE FROM A DRAW PIECE MADE OF A METAL SELECTED FROM THE GROUP CONSISTING OF 70-30 BRASS, 80-20 BRASS, AND MILD STEEL, THE STEPS COMPRISING IMMERSING THE METAL TO BE COLD DRAWN IN AN AQUEOUS SOLUTION OF ABOUT 1 TO 2% SODIUM BEHENATE SOAP, SAID SOLUTION BEING MAINTAINED AT A TEMPERATURE BETWEEN ABOUT 150 TO 200*F., PERMITTING SAID IMMERSED METAL TO REMAIN SUBMERGED IN SAID HEATED SOLUTION FOR A PERIOD RANGING BETWEEN ABOUT 3 TO 5 MINUTES, REMOVING SAID IMMERSED METAL FROM THE HEATED SOLUTION AND COLD DRAWING SAID REMOVED METAL INTO A SMALL ARTICLE WHILE FLOODING WITH SAID HEATED SOLUTION.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |