US3480306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener structures
Assignee: Omark Industries Inc
•
Filing: 1967-09-07
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Granted: 1969-11-25
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Expires: 1987-09-07
Abstract
No abstract record available.
Inventors
- 👤 Yung Shing Hsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:20
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/12; F16B13/126; F16B19/00; F16B19/14; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/969; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T403/00; Y10T403/49; Y10T403/4958; Y10T403/4966
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
THE PIN 10 AND PLUG ARE PREASSEMBLED TOGETHER FOR EASE OF HANDLING BEFORE BEING SO DRIVEN. THE PIN EXPANDS THE PLUG TO LOCK ITSELF IN THE PLUG AND THE PLUG IN THE HOLE 26. A RIBBED OR KNURLED PORTION 18 KEYS THE PIN TO THE PLUG. A CUP 34 IS HELD AGAINST THE END OF THE AXLE BY A SLEEVE NUT 37, AND THE CUP 34 HOLDS A HOTBOX DETECTOR 39. IN ANOTHER EMBODIMENT A PIN 40 ANCHORED TO A PLUG 52 AND ANCHORING THE PLUG 52 IN AN AXLE 60 HOLDS, WITH A NUT 67, A DEEP DRAWN CUP 64 AGAINST THE AXLE, AND THE CUP 64 HOLDS A HOTBOX DETECTOR 69. A HARD PIN 80 HAS BEEN DRIVEN BY A POWDER ACTUATED TOOL INTO AN UNDERSIZED BORE 106 IN A SOFTER MEMBER 110 TO GREATLY COMPRESS THE ADJACENT PORTIONS OF THE MEMBER 110 TO SECURELY LOCK THE PIN TO THE MEMBER 110.
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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) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |