US3238864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil compacting method and apparatus
Assignee: Armco Inc
•
Filing: 1963-05-27
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Granted: 1966-03-08
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Norman C Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:30
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/24; Y; Y10; Y10S; Y10S242/00; Y10S242/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A PROCESS FOR THE COMPACTING OF METAL COILS THE STEPS OF SUPPORTING A COIL IN A STATIONARY POSITION WITH ITS AXIS VERTICAL, AND SUBJECTING THE EXTERIOR OF THE COIL TO A SERIES OF RAPIDLY REPETITIVE HAMMER BLOWS AT A FREQUENCY OF SUBSTANTIALLY ONE HUNDRED TO SUBSTANTIALLY THREE THOUSAND BLOWS PER MINUTE FROM A POWERED APPARATUS ACTING UPON THE COIL IN A SUBSTANTIALLY RADIAL DIRECTION AND AT A FIXED POINT AS RESPECTS THE COIL BODY.
Claim 2
Dependent Claim
75 words
IN A PROCESS FOR THE COMPACTING OF METAL COILS THE STEPS OF SUPPORTING A COIL IN A STATIONARY POSITION WITH ITS AXIS VERTICAL, AND SUBJECTING THE EXTERIOR OF THE COIL TO A SERIES OF RAPIDLY REPETITIVE HAMMER BLOWS AT A FREQUENCY OF SUBSTANTIALLY ONE HUNDRED TO SUBSTANTIALLY THREE THOUSAND BLOWS PER MINUTE FROM A POWERED APPARATUS ACTING UPON THE COIL IN A SUBSTANTIALLY RADIAL DIRECTION AND AT A FIXED POINT AS RESPECTS THE COIL BODY.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |