US3211358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner locks for folding boxes
Assignee: BRADFORD SPEED PACKAGING AND D
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Filing: 1964-02-10
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Granted: 1965-10-12
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Chester J Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:08
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/30; B65D5/301; B65D5/302; Y; Y10; Y10S; Y10S229/00; Y10S229/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN A CORNER CLOCK FOR FOLDING BOXES IN WHICH A LOCK FLAP ARTICULATED TO A SIDE WALL OF THE BOX ALONG A FOLD LINE FORMING THE CORNER EDGE IS INSERTED INTO A SLIT IN THE ADJACENT SIDE WALL AND IS INTERLOCKED WITH THE EDGE OF THE SLIT BY MEANS OF A CUT EDGE ON THE LOCK FLAP SUBSTANTIALLY RADIALLY DISPOSED WITH RESPECT TO THE CORNER POINT, BOTH SIDE WALLS BEING ARTICULATED TO A MAIN PANEL ALONG MAIN FOLD LINES, THE IMPROVEMENT WHICH COMPRISES A SLIT COMPRISING A FIRST SLIT PORTION SUBSTANTIALLY PARALLEL TO THE CORNER EDGE AND A SECOND PORTION EXTENDING FROM THAT END OF THE FIRST SLIT PORTION WHICH IS REMOTE WITH RESPECT TO THE RESPECTIVE MAIN FOLD LINE IN A DIRECTION SUBSTANTIALLY RADIAL WITH RESPECT TO THE CORNER POINT AND AWAY FROM THE CORNER POINT AND LYING IN COINCIDENCE WITH AT LEAST A PORTION OF SAID CUT EDGE WHEN THE CORNER IS FORMED AND LOCKED,
Claim 2
Dependent Claim
157 words
IN A CORNER CLOCK FOR FOLDING BOXES IN WHICH A LOCK FLAP ARTICULATED TO A SIDE WALL OF THE BOX ALONG A FOLD LINE FORMING THE CORNER EDGE IS INSERTED INTO A SLIT IN THE ADJACENT SIDE WALL AND IS INTERLOCKED WITH THE EDGE OF THE SLIT BY MEANS OF A CUT EDGE ON THE LOCK FLAP SUBSTANTIALLY RADIALLY DISPOSED WITH RESPECT TO THE CORNER POINT, BOTH SIDE WALLS BEING ARTICULATED TO A MAIN PANEL ALONG MAIN FOLD LINES, THE IMPROVEMENT WHICH COMPRISES A SLIT COMPRISING A FIRST SLIT PORTION SUBSTANTIALLY PARALLEL TO THE CORNER EDGE AND A SECOND PORTION EXTENDING FROM THAT END OF THE FIRST SLIT PORTION WHICH IS REMOTE WITH RESPECT TO THE RESPECTIVE MAIN FOLD LINE IN A DIRECTION SUBSTANTIALLY RADIAL WITH RESPECT TO THE CORNER POINT AND AWAY FROM THE CORNER POINT AND LYING IN COINCIDENCE WITH AT LEAST A PORTION OF SAID CUT EDGE WHEN THE CORNER IS FORMED AND LOCKED,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |