US3285633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener
Assignee: Dow Chemical Co
•
Filing: 1963-10-30
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Granted: 1966-11-15
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Irving S Houvener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:07
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A FASTENER COMPRISING TWO PORTIONS EACH PORTION HAVING A SKIN ENGAGING SIDE AND EACH PORTION OF THE FASTENER BEING SO CONSTRUCTED AND ARRANGED THAT WHEN PLACED IN EDGE TO EDGE MATING RELATIONSHIP THE PORTIONS DEFINE A RECESS, SAID RECESS HAVING DISPOSED THEREIN A PROTRUSION, THE PROTRUSION BEING FORMED BY A PART OF EACH OF THE FASTENER PORTIONS, SAID PROTRUSION HAVING AN EXTERIOR TAPERING SURFACE, THE SURFACE TAPERING TOWARD A LOCATION REMOTE FROM AND OPPOSITE TO THE SKIN ENGAGING SIDE OF THE FASTENER, A COLLAR HAVING AN INTERNAL TAPERING SURFACE MATING WITH AT LEAST A PORTION OF THE TAPERING SURFACE OF THE PROTRUSION, THE COLLAR ENTERING THE RECESS, AND MEANS TO SECURE AND MAINTAIN THE COLLAR IN MATING ENGAGEMENT WITH THE PROTRUSION.
Claim 2
Dependent Claim
121 words
A FASTENER COMPRISING TWO PORTIONS EACH PORTION HAVING A SKIN ENGAGING SIDE AND EACH PORTION OF THE FASTENER BEING SO CONSTRUCTED AND ARRANGED THAT WHEN PLACED IN EDGE TO EDGE MATING RELATIONSHIP THE PORTIONS DEFINE A RECESS, SAID RECESS HAVING DISPOSED THEREIN A PROTRUSION, THE PROTRUSION BEING FORMED BY A PART OF EACH OF THE FASTENER PORTIONS, SAID PROTRUSION HAVING AN EXTERIOR TAPERING SURFACE, THE SURFACE TAPERING TOWARD A LOCATION REMOTE FROM AND OPPOSITE TO THE SKIN ENGAGING SIDE OF THE FASTENER, A COLLAR HAVING AN INTERNAL TAPERING SURFACE MATING WITH AT LEAST A PORTION OF THE TAPERING SURFACE OF THE PROTRUSION, THE COLLAR ENTERING THE RECESS, AND MEANS TO SECURE AND MAINTAIN THE COLLAR IN MATING ENGAGEMENT WITH THE PROTRUSION.
References Cited (Backward Citations)
GB192552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |