Patent US3294139A successfully refreshed from Google Patents.
US3294139A
Expired / Lapsed
US
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Plastic patch, self-locking threaded fasteners and methods of making such fasteners
Assignee: Elastic Stop Nut Corp
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Filing: 1964-09-23
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Granted: 1966-12-27
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Preziosi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:15
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A SELF-LOCKING THREADED FASTENER WHEREIN THE THREAD IS OF STANDARD FROM AND THE SELF-LOCKING CHARACTERISTIC IS DERIVED FROM A PATH OF THERMOPLASTIC MATERIAL APPLIED IN POWER FORM TO A PLURALITY OF THREAD CONVOLUTIONS OF THE UNMODIFIED SURFACES OF THREAD TO A LIMITED CIRCUMFERENTIAL EXTENT AND FUSED BY HEAT AND SOLIDIFIED WITHOUT WORK-SHAPING PRESSURE WHILE THE FASTENER IS IN A HORIZONTAL POSITION, THE PATH BEING OF THE SHAPE OF A FREE-FORM LIQUID POOL OF THE THREAD AND GRADUALLY MERGING
Claim 2
Dependent Claim
78 words
A SELF-LOCKING THREADED FASTENER WHEREIN THE THREAD IS OF STANDARD FROM AND THE SELF-LOCKING CHARACTERISTIC IS DERIVED FROM A PATH OF THERMOPLASTIC MATERIAL APPLIED IN POWER FORM TO A PLURALITY OF THREAD CONVOLUTIONS OF THE UNMODIFIED SURFACES OF THREAD TO A LIMITED CIRCUMFERENTIAL EXTENT AND FUSED BY HEAT AND SOLIDIFIED WITHOUT WORK-SHAPING PRESSURE WHILE THE FASTENER IS IN A HORIZONTAL POSITION, THE PATH BEING OF THE SHAPE OF A FREE-FORM LIQUID POOL OF THE THREAD AND GRADUALLY MERGING
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |