Patent DE2508201A1 successfully refreshed from Google Patents.
US3295154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal swaging tool and method of seating and threading a thin walled cylinder in a hole
Assignee: Besly Cutting Tools Inc
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Filing: 1965-02-18
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Granted: 1967-01-03
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Willis H Watson
- 👤 Jr Donald P Welles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:25
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/12; F16B37/122
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A METHOD OF SEATING AND THREADING A THIN-WALLED CYLINDER IN A HOLE, INCLUDING THE STEPS OF POSITIONING THE CYLINDER IN THE HOLE, APPLYING INTERMITTENT GRADUALLY INCREASING RADIALLY DIRECTED PRESSURE TO THE WALLS OF THE CYLINDER ALONG AN AREA SUBSTANTIALLY PARALLEL TO THE AXIS OF THE CYLINDER WITH SUCH AREA DIMINISHING IN SIZE, FROM ONE END TOWARD THE OTHER, TO EXPAND THE CYLINDER AND TO SEAT IT WITHIN THE HOLE, THEN APPLYING INTERMITTENT RADIALLY DIRECTED PRESSURE TO THE WALLS IN A GENERALLY HELICALLY DIRECTED PATH TO INTERNALLY THREAD THE CYLINDER AND HOLE.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |