Patent US4299040A successfully refreshed from Google Patents.
US4299040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening means
Assignee: Sentry Technology Corp
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Filing: 1975-09-30
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Granted: 1981-11-10
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Expires: 1995-09-30
Abstract
Abstract A fastening means for fastening a wafer to an article of merchandise and comprising a tack-like element whose shank passes through the merchandise and the wafer and a button-like fastening element which securely holds the shank of the tack-like element. The head of the tack-like element is freely rotated and tiltable on the shank to resist unauthorized efforts to release the fastening means.
Inventors
- 👤 Arthur J. Minasy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:30
CPC Classifications
E; E05; E05B; E05B73/00; E05B73/0017; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3683
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
113 words
A tamper resistant, nonseparable tack fastener assembly comprising a thin wafer positioned against a sheet shaped portion of an article of merchandise, a tack-like fastener element having an expansive head and a thin elongated shank said shank extending through said article of merchandise and said wafer, and a thick button element having an opening for closely accommodating said shank and pressing said article and said wafer tightly between itself and said expansive head of said tack-like fastener element and including means for solidly interlocking said button and fastener element together; means connecting said shank and said head to permit the latter freely to tilt with respect to the longitudinal axis of said shank.
Claim 2
Dependent Claim
113 words
A tamper resistant, nonseparable tack fastener assembly comprising a thin wafer positioned against a sheet shaped portion of an article of merchandise, a tack-like fastener element having an expansive head and a thin elongated shank said shank extending through said article of merchandise and said wafer, and a thick button element having an opening for closely accommodating said shank and pressing said article and said wafer tightly between itself and said expansive head of said tack-like fastener element and including means for solidly interlocking said button and fastener element together; means connecting said shank and said head to permit the latter freely to tilt with respect to the longitudinal axis of said shank.
Claim 3
Dependent Claim
20 words
A fastener assembly according to claim 1 wherein said head tilts freely in all directions with respect to said shank.
Claim 4
Dependent Claim
15 words
A fastener assembly according to claim 1 wherein said head rotates freely on said shank.
Claim 5
Dependent Claim
31 words
A fastener assembly according to claim 1 wherein said head tilts freely in all directions by at least five degrees from a plane perpendicular to the longitudinal axis of said shank.
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) | 1984-11-09 | 1985-05-11 | 1985-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-09 | 1989-05-11 | 1989-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-09 | 1993-05-11 | 1993-11-10 | $7700.00 | Window Closed / Lapsed |