Patent US3233820A successfully refreshed from Google Patents.
US3233820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced spring hinge box
Assignee: DOUGLAS YOUNG Inc
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Filing: 1964-06-10
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Granted: 1966-02-08
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Williams Charles Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:31
CPC Classifications
E; E05; E05D; E05D5/00; E05D5/02; E05D5/04; E05D3/00; E05D3/02; E05Y; E05Y2800/00; E05Y2800/67; E05Y2800/676; E05Y2800/682; E05Y2900/00; E05Y2900/20; E05Y2999/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A BOX OF CARDBOARD OR SIMILAR MATERIAL, A BODY SECTION AND A COVER SECTION, EACH HAVING SIDE AND REAR WALLS WITH THEIR EDGES ABUTTING, MEANS FOR REINFORCING AND HINGEDLY ATTACHING SAID SECTIONS TOGETHER COMPRISING A RIGHT ANGULARLY FORMED SHEET METAL MEMBER FITTED TO THE JUNCTURE OF THE SIDE AND REAR WALLS OF EACH SECTION AND EXTENDING ALONG THE INNER SURFACE OF THE SIDE AND REAR WALLS OF EACH SECTION, SAID MEMBER HAVING A PLURALITY OF INTEGRAL PROJECTIONS EMBEDDED IN THE WALLS OVER WHICH IT EXTENDS WITH THE FREE ENDS OF THE PROJECTIONS DEFLECTED IN A PLURALITY OF DIFFERENT DIRECTIONS AND CLENCHED OVER THE OUTER SURFACE OF THE SAID WALLS FIRMLY SECURING THE MEMBER TO THE SECTION, INWARDLY EXTENDING PRONGS ON THE PORTION OF THE MEMBER EXTENDING ALONG THE REAR WALL OF EACH SECTION, A HINGE HAVING PLATES WITH OPENINGS RECEIVING SAID PRONGS, WITH THE PRONGS BENT OVER THE INNER SURFACE OF THE PLATES, SAID PLATES EACH HAVING AN OPENING PROVIDING A LIP, AND AN ARCUATE SPRING WITH INTURNED ENDS ENGAGING SAID LIPS AND URGING THE PLATES AND THE MEMBERS ATTACHED THERETO IN AN OPENING OR CLOSING DIRECTION DEPENDING ON THE RELATIVE POSITION OF SAID PLATES.
Claim 2
Dependent Claim
196 words
IN A BOX OF CARDBOARD OR SIMILAR MATERIAL, A BODY SECTION AND A COVER SECTION, EACH HAVING SIDE AND REAR WALLS WITH THEIR EDGES ABUTTING, MEANS FOR REINFORCING AND HINGEDLY ATTACHING SAID SECTIONS TOGETHER COMPRISING A RIGHT ANGULARLY FORMED SHEET METAL MEMBER FITTED TO THE JUNCTURE OF THE SIDE AND REAR WALLS OF EACH SECTION AND EXTENDING ALONG THE INNER SURFACE OF THE SIDE AND REAR WALLS OF EACH SECTION, SAID MEMBER HAVING A PLURALITY OF INTEGRAL PROJECTIONS EMBEDDED IN THE WALLS OVER WHICH IT EXTENDS WITH THE FREE ENDS OF THE PROJECTIONS DEFLECTED IN A PLURALITY OF DIFFERENT DIRECTIONS AND CLENCHED OVER THE OUTER SURFACE OF THE SAID WALLS FIRMLY SECURING THE MEMBER TO THE SECTION, INWARDLY EXTENDING PRONGS ON THE PORTION OF THE MEMBER EXTENDING ALONG THE REAR WALL OF EACH SECTION, A HINGE HAVING PLATES WITH OPENINGS RECEIVING SAID PRONGS, WITH THE PRONGS BENT OVER THE INNER SURFACE OF THE PLATES, SAID PLATES EACH HAVING AN OPENING PROVIDING A LIP, AND AN ARCUATE SPRING WITH INTURNED ENDS ENGAGING SAID LIPS AND URGING THE PLATES AND THE MEMBERS ATTACHED THERETO IN AN OPENING OR CLOSING DIRECTION DEPENDING ON THE RELATIVE POSITION OF SAID PLATES.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |