US3568230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an insert with expandable head for locking in noncounterbored bores
Assignee: Rosan Engineering Corp
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Filing: 1969-06-20
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Granted: 1971-03-09
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Expires: 1989-06-20
Abstract
Abstract THE METHOD FOR MAKING AN INSERT CAPABLE OF BEING LOCKED INTO A THREADED WORKPIECE BORE WITHOUT THE USE OF A COUNTERBORE BY PROVIDING THE INSERT WITH A SERRATED EXPANDABLE HEAD, BUT WHEREIN THE EXTERNAL THREADS THEREOF HAVE A UNIFORM HEIGHT AND PROFILE THROUGHOUT THE LENGTH OF THE INSERT.
Inventors
- 👤 Jose Rosan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:59
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/025; F16B25/00; F16B25/0036; F16B25/0042; F16B25/0047; F16B25/0052; F16B37/00; F16B37/12; F16B37/122; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/967; Y10S470/00; Y10S470/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |