US3320644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tack-fastened button
Assignee: Scovill Inc
•
Filing: 1965-04-09
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Granted: 1967-05-23
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Expires: 1985-04-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Domenic J Daddona
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:52
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/44; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3611; Y10T24/3613
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A TACK BUTTON HAVING A FACE STRUCTURE PROVIDING A DOWNWARDLY FACING ANVIL SURFACE FOR UPSETTING A TACK POINT, A BACK TO WHICH SAID FACE STRUCTURE IS SECURED, A HUB HAVING AN INTROVERTED BOTTOM EXTENDING UP INTO THE HUB A SUBSTANTIAL DISTANCE TO PROVIDE A TACK ANCHOR INTEGRAL WITH SAID HUB AND BACK, SAID TACK ANCHOR HAVING A CYLINDRICAL PORTION ADAPTED TO CONFINE THE TACK SHANK AND AN OUTWARDLY FLARED PORTION AROUND THE TOP OF SAID CYLINDRICAL PORTION, SAID INTROVERTED BOTTOM HAVING A HOLE THROUGH ITS UPPER END, THE MATERIAL AROUND THE EDGES OF SAID HOLE BEING FOLDED INWARDLY AND DOWNWARDLY TO LIE AGAINST SAID
Claim 2
Dependent Claim
104 words
A TACK BUTTON HAVING A FACE STRUCTURE PROVIDING A DOWNWARDLY FACING ANVIL SURFACE FOR UPSETTING A TACK POINT, A BACK TO WHICH SAID FACE STRUCTURE IS SECURED, A HUB HAVING AN INTROVERTED BOTTOM EXTENDING UP INTO THE HUB A SUBSTANTIAL DISTANCE TO PROVIDE A TACK ANCHOR INTEGRAL WITH SAID HUB AND BACK, SAID TACK ANCHOR HAVING A CYLINDRICAL PORTION ADAPTED TO CONFINE THE TACK SHANK AND AN OUTWARDLY FLARED PORTION AROUND THE TOP OF SAID CYLINDRICAL PORTION, SAID INTROVERTED BOTTOM HAVING A HOLE THROUGH ITS UPPER END, THE MATERIAL AROUND THE EDGES OF SAID HOLE BEING FOLDED INWARDLY AND DOWNWARDLY TO LIE AGAINST SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |