US3079970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press insert having angular knurlings
Assignee: South Chester Corp
•
Filing: 1959-12-15
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Granted: 1963-03-05
•
Expires: 1979-12-15
Abstract
No abstract record available.
Inventors
- 👤 John K Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:08
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/068; Y; Y10; Y10S; Y10S29/00; Y10S29/023; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49925; Y10T29/49934; Y10T29/49936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A NON-THREADED PRESS INSERT HAVING: A LOWER EXTERNAL CONTINUOUS AND PERIPHERAL FLANGE FOR INSERTION IN A HOLE FORMED IN A SHEET OF METAL, AN UPPER SHANK FOR RECEIVING PRESSURE APPLIED IN A DOWNWARD AXIAL DIRECTION THEREBY TO SECURE SAID PRESS INSERT IN SAID METAL SHEET AND A PORTION INTERMEDIATE SAID FLANGE AND SAID SHANK HAVING AN EXTERNAL, CONTINUOUS AND PERIPHERAL KNURLED SURFACE THE UPPER OUTER DIAMETER OF WHICH IS LARGER THAN THAT OF SAID LOWER FLANGE, THE LOWER INNER DIAMETER OF SAID KNURLED SURFACE BEING AS SMALL AS THE DIAMETER OF SAID LOWER FLANGE THE KNURLED SURFACE PROJECTING DOWNWARDLY AND INWARDLY AT AN ANGLE OF BETWEEN 30* AND 60* WITH RESPECT TO THE AXIS OF SAID INSERT, AN EXTERNAL, CONTINUOUS AND PERIPHERAL RECESS JUST ABOVE SAID FLANGE AND JUST BELOW SAID KNURLED SURFACE FOR RECEIVING THE DISPLACED METAL OF SAID SHEET WHICH IS PRESSURE FLOWED THEREINTO WHEN SAID KNURLED SURFACE IS PRESSED INTO THE UPPER EDGE OF SAID HOLE.
Claim 2
Dependent Claim
159 words
A NON-THREADED PRESS INSERT HAVING: A LOWER EXTERNAL CONTINUOUS AND PERIPHERAL FLANGE FOR INSERTION IN A HOLE FORMED IN A SHEET OF METAL, AN UPPER SHANK FOR RECEIVING PRESSURE APPLIED IN A DOWNWARD AXIAL DIRECTION THEREBY TO SECURE SAID PRESS INSERT IN SAID METAL SHEET AND A PORTION INTERMEDIATE SAID FLANGE AND SAID SHANK HAVING AN EXTERNAL, CONTINUOUS AND PERIPHERAL KNURLED SURFACE THE UPPER OUTER DIAMETER OF WHICH IS LARGER THAN THAT OF SAID LOWER FLANGE, THE LOWER INNER DIAMETER OF SAID KNURLED SURFACE BEING AS SMALL AS THE DIAMETER OF SAID LOWER FLANGE THE KNURLED SURFACE PROJECTING DOWNWARDLY AND INWARDLY AT AN ANGLE OF BETWEEN 30* AND 60* WITH RESPECT TO THE AXIS OF SAID INSERT, AN EXTERNAL, CONTINUOUS AND PERIPHERAL RECESS JUST ABOVE SAID FLANGE AND JUST BELOW SAID KNURLED SURFACE FOR RECEIVING THE DISPLACED METAL OF SAID SHEET WHICH IS PRESSURE FLOWED THEREINTO WHEN SAID KNURLED SURFACE IS PRESSED INTO THE UPPER EDGE OF SAID HOLE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |