US3255053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing treated grinding rods
Assignee: Armco Inc
•
Filing: 1964-09-16
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Granted: 1966-06-07
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Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Albert L Bard
- 👤 Wayne B Weed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:55
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/667; C21D9/00; C21D9/0075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE METHOD OF MANUFACTURING MACHINE STRAIGHT ABRASION RESISTANT RODS FOR ROD MILLS, WHICH INCLUDES THE STEPS OF PASSING A ROD OF HIGH CARBON STEEL THROUGH A FURNACE TO HEAT THE SAME TO AN AUSTENITIC CONDITION, AND THEN MOVING SAID ROD AXIALLY OUT OF SAID FURNACE ALONG A STRAIGHT PATH WHILE ROTATING SAID ROD ABOUT ITS AXIS, SUBJECTING SAID ROD DURING SAID AXIAL AND ROTATING MOVEMENT TO A QUENCHING TREATMENT, AND MECHANICALLY ENFORCING UPON SAID ROD AN AXIALLY STRAIGHT CONDITION DURING SAID AXIAL AND ROTATING MOVEMENT AND QUENCHING TREATMENT.
Claim 2
Independent Claim
88 words
THE METHOD OF MANUFACTURING MACHINE STRAIGHT ABRASION RESISTANT RODS FOR ROD MILLS, WHICH INCLUDES THE STEPS OF PASSING A ROD OF HIGH CARBON STEEL THROUGH A FURNACE TO HEAT THE SAME TO AN AUSTENITIC CONDITION, AND THEN MOVING SAID ROD AXIALLY OUT OF SAID FURNACE ALONG A STRAIGHT PATH WHILE ROTATING SAID ROD ABOUT ITS AXIS, SUBJECTING SAID ROD DURING SAID AXIAL AND ROTATING MOVEMENT TO A QUENCHING TREATMENT, AND MECHANICALLY ENFORCING UPON SAID ROD AN AXIALLY STRAIGHT CONDITION DURING SAID AXIAL AND ROTATING MOVEMENT AND QUENCHING TREATMENT.
References Cited (Backward Citations)
US1448878A
Cited
US1570815A
Cited
US2049830A
Cited
US2333344A
Cited
US2570883A
Cited
US2783788A
Cited
US2969299A
Cited
US3149189A
Cited
US3148093A
Cited
US3169893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |