US3277684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for shaft rolling
Assignee: Ametek Inc
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Filing: 1965-10-15
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Granted: 1966-10-11
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Frank J Gareri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:16
CPC Classifications
B; B21; B21H; B21H3/00; B21H3/02; B21H3/06; B21H3/065; Y; Y10; Y10T; Y10T408/00; Y10T408/52; Y10T408/54; Y10T408/545
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
FOR PRODUCING OBJECTS HAVING ROLLED FORMATIONS OF DIFFERENT DIAMETERS FROM ROD-LIKE ELONGATED WORK-PIECES HAVING A PLURALITY OF COAXIAL, CYLINDRICAL EXTERNAL SURFACES, APPARATUS COMPRISING: A PAIR OF ADJUSTABLY SPACE PARALLEL DIE-MOUNTING SPINDLES; MEANS FOR CONTINUALLY DRIVING SAID SPINDLES AT THE SAME SPEED IN THE SAME DIRECTION; TWO COOPERATING SIMILAR DIE ASSEMBLIES MOUNTED ON SAID SPINDLES FOR ROTATION THEREWITH INCLUDING DIE ELEMENTS AXIALLY SPACED CORRESPONDING TO SPACING OF FORMATIONS TO BE ROLLED ON THE WORK-PIECE; SAID DIE ELEMENTS HAVING EACH OF WORK-PIECE ROLLING FORMATION EXTENDING OVER A CIRCULARLY ARCUATE EXTENT LESS THAN A CIRCLE, IN EACH ASSEMBLY SAID FORMATIONS BEING ANGULARLY OFFSET FROM EACH OTHER TO SUCCESSIVELY AND NON-SIMULTANEOUSLY CONTACT A WORK-
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |