Patent US4722658A successfully refreshed from Google Patents.
Patent US3309952A successfully refreshed from Google Patents.
US3309952A
Expired / Lapsed
US
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Flying cut-off
Assignee: Intercole Bolling Corp
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Filing: 1964-01-08
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Granted: 1967-03-21
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:59
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0515; Y10T83/0596; Y10T83/465; Y10T83/4734; Y10T83/4746; Y10T83/4757; Y10T83/476; Y10T83/4763; Y10T83/869; Y10T83/8769; Y10T83/8776; Y10T83/8782; Y10T83/8821; Y10T83/8858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF MAKING SUCCESSIVE CUTS IN AN ELONGATED TRAVELLING TUBULAR WORKPIECE AND THE LIKE COMPRISING THE STEPS OF APPLYING A HIGH PRESSURE DRIVING FORCE TO A CUTTING TOOL WHILE HOLDING SUCH CUTTING TOOL STATIONARY TO BUILD UP A SUBSTANTIALLY EXPLOSIVE DRIVING FORCE, AND RELEASING SUCH CUTTING TOOL TO DRIVE THE SAME SUBSTANTIALLY EXPLOSIVELY FULLY THROUGH SUCH WORKPIECE AT HIGH SPEED IN ONE DIRECTION TO SEVER SUCH WORKPIECE; AND THEN SUBSTANTIALLY EXPLOSIVELY DRIVING SUCH TOOL WITHOUT REVERSAL THEREOF FULLY THROUGH SUCH WORKPIECE IN THE OPPOSITE DIRECTION AT HIGH SPEDD AGAIN TO SEVER SUCH WORKPIECE.
Claim 2
Independent Claim
94 words
THE METHOD OF MAKING SUCCESSIVE CUTS IN AN ELONGATED TRAVELLING TUBULAR WORKPIECE AND THE LIKE COMPRISING THE STEPS OF APPLYING A HIGH PRESSURE DRIVING FORCE TO A CUTTING TOOL WHILE HOLDING SUCH CUTTING TOOL STATIONARY TO BUILD UP A SUBSTANTIALLY EXPLOSIVE DRIVING FORCE, AND RELEASING SUCH CUTTING TOOL TO DRIVE THE SAME SUBSTANTIALLY EXPLOSIVELY FULLY THROUGH SUCH WORKPIECE AT HIGH SPEED IN ONE DIRECTION TO SEVER SUCH WORKPIECE; AND THEN SUBSTANTIALLY EXPLOSIVELY DRIVING SUCH TOOL WITHOUT REVERSAL THEREOF FULLY THROUGH SUCH WORKPIECE IN THE OPPOSITE DIRECTION AT HIGH SPEDD AGAIN TO SEVER SUCH WORKPIECE.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |