Patent US3270408A successfully refreshed from Google Patents.
US3270408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable interlocking fasteners and method of making them
Assignee: Individual
•
Filing: 1965-05-04
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Granted: 1966-09-06
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Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond N Nealis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
B; B29; B29D; B29D5/00; B29D5/02; A; A44; A44B; A44B18/00; A44B18/0046; A44B18/0053; A44B19/00; A44B19/02; A44B19/08; B29C; B29C67/00; B29C67/0044; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF FORMING FASTENER UNITS WHICH COMPRISES: PROVIDING A BASE SHEET OF FLEXIBLE ELEMENTS AND HEATING WITH UPSTANDING INTEGRAL FLEXIBLE ELEMENTS AND HEATING EACH ELEMENT PROGRESSIVELY IN A DIRECTION FROMITS END TOWARD THE BASE SHEET TO AN EXTENT TO CAUSE THE MATERIAL OF THE ELEMENT TO FLOW TRANSVERSELY AND TOWARD THE BASE SHEET SO THAT THE ELEMENT IS PROGRESSIVELY SHORTENED IN LENGTH AND THE FLOWING OF THE MATERIAL FORMING A MASS OF LARGER CROSS SECTION THAN THE CROSS SECTION OF THE ELEMENT AND THEN COOLING THE MASS, THE MASS FORMING A HEAD ON THE ELEMENT.
Claim 2
Independent Claim
96 words
THE METHOD OF FORMING FASTENER UNITS WHICH COMPRISES: PROVIDING A BASE SHEET OF FLEXIBLE ELEMENTS AND HEATING WITH UPSTANDING INTEGRAL FLEXIBLE ELEMENTS AND HEATING EACH ELEMENT PROGRESSIVELY IN A DIRECTION FROMITS END TOWARD THE BASE SHEET TO AN EXTENT TO CAUSE THE MATERIAL OF THE ELEMENT TO FLOW TRANSVERSELY AND TOWARD THE BASE SHEET SO THAT THE ELEMENT IS PROGRESSIVELY SHORTENED IN LENGTH AND THE FLOWING OF THE MATERIAL FORMING A MASS OF LARGER CROSS SECTION THAN THE CROSS SECTION OF THE ELEMENT AND THEN COOLING THE MASS, THE MASS FORMING A HEAD ON THE ELEMENT.
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |