US3349451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic gripper button
Assignee: Kanegafuchi Spinning Co Ltd
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Filing: 1966-04-01
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Granted: 1967-10-31
•
Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Maeno Minoru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:34
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0029; A44B17/0035; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45545; Y10T24/4555; Y10T24/45555; Y10T24/4556
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A PLASTIC GRIPPER BUTTON OF THE TYPE COMPRISING A PAIR OF INTERENGAGEABLE GRIPPER MEMBERS EACH ADAPTED TO BE ASSEMBLED TO ONE OF A PAIR OF BUTTON MEMBERS WITH A LAYER OF FABRIC MATERIAL IN BETWEEN A GRIPPER AND BUTTON MEMBER, WHEREIN PRIOR TO SUCH ASSEMBLY TWO OF SAID MEMBERS ARE EACH FORMED WITH A CENTRAL APERTURE AND THE OTHER TWO OF SAID MEMBERS ARE EACH PROVIDED WITH A CENTRAL PROJECTING STEM ADAPTED TO BE ENGAGED IN ONE OF SAID APERTURES AT THE TIME OF ASSEMBLY, EACH STEM BEING FORMED WITH A MAIN PORTION WITH A CROSS-SECTIONAL AREA SUBSTANTIALLY EQUAL TO THE CROSS-SECTIONAL AREA OF THE CENTRAL APERTURE IT IS TO ENGAGE, EACH STEM TERMINATING IN A ROUNDED END PORTION HAVING AN ENLARGED RIM THEREON, WITH THE INNER SIDE OF SAID RIM PROTRUDING RADIALLY FROM THE MAIN PORTION OF THE STEM AT AN ANGLE SUBSTANTIALLY EQUAL TO A RIGHT ANGLE, THEREBY FORMING A SHARPLY STEPPED FLANGE BETWEEN THE MAIN AND END PORTIONS OF THE STEM, AND A RECESS FORMED CENTRALLY IN THE ROUNDED END PORTION OF THE STEM AND EXTENDING INWARDLY OF THE END PORTION INTO THE
Claim 2
Dependent Claim
186 words
A PLASTIC GRIPPER BUTTON OF THE TYPE COMPRISING A PAIR OF INTERENGAGEABLE GRIPPER MEMBERS EACH ADAPTED TO BE ASSEMBLED TO ONE OF A PAIR OF BUTTON MEMBERS WITH A LAYER OF FABRIC MATERIAL IN BETWEEN A GRIPPER AND BUTTON MEMBER, WHEREIN PRIOR TO SUCH ASSEMBLY TWO OF SAID MEMBERS ARE EACH FORMED WITH A CENTRAL APERTURE AND THE OTHER TWO OF SAID MEMBERS ARE EACH PROVIDED WITH A CENTRAL PROJECTING STEM ADAPTED TO BE ENGAGED IN ONE OF SAID APERTURES AT THE TIME OF ASSEMBLY, EACH STEM BEING FORMED WITH A MAIN PORTION WITH A CROSS-SECTIONAL AREA SUBSTANTIALLY EQUAL TO THE CROSS-SECTIONAL AREA OF THE CENTRAL APERTURE IT IS TO ENGAGE, EACH STEM TERMINATING IN A ROUNDED END PORTION HAVING AN ENLARGED RIM THEREON, WITH THE INNER SIDE OF SAID RIM PROTRUDING RADIALLY FROM THE MAIN PORTION OF THE STEM AT AN ANGLE SUBSTANTIALLY EQUAL TO A RIGHT ANGLE, THEREBY FORMING A SHARPLY STEPPED FLANGE BETWEEN THE MAIN AND END PORTIONS OF THE STEM, AND A RECESS FORMED CENTRALLY IN THE ROUNDED END PORTION OF THE STEM AND EXTENDING INWARDLY OF THE END PORTION INTO THE
References Cited (Backward Citations)
US2548004A
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FR995542A
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US2990595A
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US2898656A
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US3107408A
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US3195201A
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US3159890A
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |