US3273441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut construction
Assignee: Illinois Tool Works Inc
•
Filing: 1962-01-19
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Granted: 1966-09-20
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Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
- 👤 Donald L Biesecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:50
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/128; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/301; Y10T24/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A MOLDED PLASTIC ARTICLE FOR SEALING ATTACHMENT TO A THREADED FASTENER AND A WORK PANEL COMPRISING AN ELONGATED MEMBER HAVING A CLOSED END AND A CENTRALLY LOCATED CHAMBER OF PREDETERMINED DIAMETER OPENING TO THE OPPOSITE END, SAID ELONGATED MEMBER HAVING OUTER SIDE WALLS FORMED WITH WRENCH ENGAGEABLE FLATS, SAID OPPOSITE END BEING CHARACTERIZED AS HAVING AN AXIALLY EXTENDING LIP OF RELATIVELY THIN DEFORMABLE CROSS SECTION AND OF A DIAMETER GREATER THAN SAID PREDETERMINED DIAMETER, SAID OPPOSITE END FURTHER HAVING A DIAMETRICAL SURFACE WITH A PLURALITY OF CURVILINEAR AXIALLY EXTENDING VANES OF RELATIVELY THIN DEFORMABLE CROSS SECTION EXTENDING IN THE DIAMETRICAL PLANE FROM THE VICINITY OF SAID RECESS TO THE VICINITY OF THE PERIPHERY OF SAID DIAMETRICAL SURFACE, SAID VANES UPON ROTATION OF ARTICLE ABOUT ITS AXIS BEING OF A CURVATURE ADAPTED TO MOVE FLUID MATERIAL IN A GENERALLY RADIAL DIRECTION.
Claim 2
Dependent Claim
140 words
A MOLDED PLASTIC ARTICLE FOR SEALING ATTACHMENT TO A THREADED FASTENER AND A WORK PANEL COMPRISING AN ELONGATED MEMBER HAVING A CLOSED END AND A CENTRALLY LOCATED CHAMBER OF PREDETERMINED DIAMETER OPENING TO THE OPPOSITE END, SAID ELONGATED MEMBER HAVING OUTER SIDE WALLS FORMED WITH WRENCH ENGAGEABLE FLATS, SAID OPPOSITE END BEING CHARACTERIZED AS HAVING AN AXIALLY EXTENDING LIP OF RELATIVELY THIN DEFORMABLE CROSS SECTION AND OF A DIAMETER GREATER THAN SAID PREDETERMINED DIAMETER, SAID OPPOSITE END FURTHER HAVING A DIAMETRICAL SURFACE WITH A PLURALITY OF CURVILINEAR AXIALLY EXTENDING VANES OF RELATIVELY THIN DEFORMABLE CROSS SECTION EXTENDING IN THE DIAMETRICAL PLANE FROM THE VICINITY OF SAID RECESS TO THE VICINITY OF THE PERIPHERY OF SAID DIAMETRICAL SURFACE, SAID VANES UPON ROTATION OF ARTICLE ABOUT ITS AXIS BEING OF A CURVATURE ADAPTED TO MOVE FLUID MATERIAL IN A GENERALLY RADIAL DIRECTION.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |