US3122303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cardboard box with metal spring hinge
Assignee: DOUGLAS YOUNG Inc
•
Filing: 1962-01-17
•
Granted: 1964-02-25
•
Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Young Lewis Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:28
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A CARDBOARD BOX A BODY SECTION AND A COVER SECTION, SAID SECTIONS BOTH HAVING FLAT REAR WALLS OF RELATIVELY SOFT MATERIAL WITH THEIR EDGES ABUTTING, A HINGE COMPRISING A PAIR OF METAL PLATES PIVOTED TOGETHER, ONE PLATE SECURED TO THE REAR WALL OF ONE SECTION AND THE OTHER PLATE SECURED TO THE REAR WALL OF THE OTHER SECTION, A SPRING URGING THE PLATES ABOUT THEIR PIVOT AXIS TO CLOSE THE BOX, ABUTMENTS ON SAID PLATES ENGAGING WHEN THE REAR WALLS
Claim 2
Dependent Claim
81 words
IN A CARDBOARD BOX A BODY SECTION AND A COVER SECTION, SAID SECTIONS BOTH HAVING FLAT REAR WALLS OF RELATIVELY SOFT MATERIAL WITH THEIR EDGES ABUTTING, A HINGE COMPRISING A PAIR OF METAL PLATES PIVOTED TOGETHER, ONE PLATE SECURED TO THE REAR WALL OF ONE SECTION AND THE OTHER PLATE SECURED TO THE REAR WALL OF THE OTHER SECTION, A SPRING URGING THE PLATES ABOUT THEIR PIVOT AXIS TO CLOSE THE BOX, ABUTMENTS ON SAID PLATES ENGAGING WHEN THE REAR WALLS
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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |