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Patent US3236408A successfully refreshed from Google Patents.
US3236408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge construction for box and cover
Assignee: Schneider Electric USA Inc
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Filing: 1964-02-13
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Granted: 1966-02-22
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 Earl J Mcfadden
- 👤 Norman R Hallman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:38
CPC Classifications
E; E05; E05D; E05D1/00; E05D1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ENCLOSURE COMPRISING AN OPEN-FRONT BOX HAVING AN INTEGRAL RESILIENT HINGE CURL FORMED ON A SIDE THEREOF, AND A FLANGED COVER PIVOTALLY MOUNTED ON SAID HINGE CURL, SAID COVER HAVING AN APERTURE IN A FLANGE THEREOF FOR RECEIVING SAID HINGE CURL AND HAVING AN INTEGRAL HINGE BAR PROVIDED BY THE FREE END PORTION OF SAID FLANGE ADJACENT SAID APERTURE, SAID HINGE BAR HAVING AN INTERFERING RELATIONSHIP WITH THE FREE END OF SAID HINGE CURL AS SAID COVER IS BEING APPLIED TO SAID BOX AND BEING TWISTED FROM THE REMAINDER OF SAID FLANGE SUFFICIENTLY TO LOCATE THE LEADING OUTER EDGE OF SAID HINGE BAR INWARDLY OF SAID FREE END OF SAID HINGE CURL AND TO PROVIDE A WEDGE FOR RESILIENTLY URGING SAID FREE END OF SAID HINGE CURL OUTWARDLY AS SAID COVER IS BEING APPLIED TO SAID BOX.
Claim 2
Dependent Claim
137 words
AN ENCLOSURE COMPRISING AN OPEN-FRONT BOX HAVING AN INTEGRAL RESILIENT HINGE CURL FORMED ON A SIDE THEREOF, AND A FLANGED COVER PIVOTALLY MOUNTED ON SAID HINGE CURL, SAID COVER HAVING AN APERTURE IN A FLANGE THEREOF FOR RECEIVING SAID HINGE CURL AND HAVING AN INTEGRAL HINGE BAR PROVIDED BY THE FREE END PORTION OF SAID FLANGE ADJACENT SAID APERTURE, SAID HINGE BAR HAVING AN INTERFERING RELATIONSHIP WITH THE FREE END OF SAID HINGE CURL AS SAID COVER IS BEING APPLIED TO SAID BOX AND BEING TWISTED FROM THE REMAINDER OF SAID FLANGE SUFFICIENTLY TO LOCATE THE LEADING OUTER EDGE OF SAID HINGE BAR INWARDLY OF SAID FREE END OF SAID HINGE CURL AND TO PROVIDE A WEDGE FOR RESILIENTLY URGING SAID FREE END OF SAID HINGE CURL OUTWARDLY AS SAID COVER IS BEING APPLIED TO SAID BOX.
References Cited (Backward Citations)
US2571714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |