US2852418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treating metal borings
Assignee: Michigan Foundry Supply Co
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Filing: 1956-02-20
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Granted: 1958-09-16
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Expires: 1976-02-20
Abstract
No abstract record available.
Inventors
- 👤 Ward D Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:46
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/005; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49751; Y10T29/49755; Y10T29/49757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD FOR CLEANING OILY METALLIC CUTTINGS COMPRIDING THE STEPS OF BURNING SAID OIL FROM SAID CUTTINGS; MIXING WATER WITH SAID CUTTINGS AFTER SAID OIL HAS BEEN BURNED OFF; THE AMOUNT OF SAID WATER MIXED WITH SAID CUTTINGS BEING SUFFICIENT TO PREVENT INSTANTANEOUS EVAPORATION OF ALL OF SAID WATER AND LESS THAN THAT REQUIRED TO COOL SAID CUTTINGS TO A TEMPERATURE OF 100*F. SOLELY BY THE THERMAL CAPACITY OF SAID WATER AS DETERMINED BY THE FORMULA
Claim 2
Independent Claim
76 words
A METHOD FOR CLEANING OILY METALLIC CUTTINGS COMPRIDING THE STEPS OF BURNING SAID OIL FROM SAID CUTTINGS; MIXING WATER WITH SAID CUTTINGS AFTER SAID OIL HAS BEEN BURNED OFF; THE AMOUNT OF SAID WATER MIXED WITH SAID CUTTINGS BEING SUFFICIENT TO PREVENT INSTANTANEOUS EVAPORATION OF ALL OF SAID WATER AND LESS THAN THAT REQUIRED TO COOL SAID CUTTINGS TO A TEMPERATURE OF 100*F. SOLELY BY THE THERMAL CAPACITY OF SAID WATER AS DETERMINED BY THE FORMULA
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |