US3178812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton opening device
Assignee: Individual
•
Filing: 1962-11-19
•
Granted: 1965-04-20
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 August J Lurie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:29
CPC Classifications
B; B26; B26B; B26B27/00; B26B27/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A DEVICE FOR OPENING HEAVY PAPERBOARD CARTONS HAVING A CUTTING BLADE, A HANDLE TO CARRY SAID BLADE, SAID HANDLE BEING FORMED TO COMPLEMENTARY SHAPED HALVES WITH EACH HANDLE HALF BEING FORMED TO PROVIDE A BLADE RETAINING PASSAGE WHEN SAID HALVES ARE ALIGNED, EACH OF SAID HALVES HAVING A BULGED PORTION AT ONE END TO FORM A GRIP AND A LATERALLY DISPOSED GUIDE FLANGE AT THE OTHER END, AND A CLAMPING SCREW TO RETAIN SAID BLADE BETWEEN SAID HALVES AND SAID HALVES IN ALIGNED POSITION WITH A CORNER OF SAID BLADE PROJECTING BEYOND SAID GUIDE FLANGES TO CUTTING POSITION, THE IMPROVEMENT COMPRISING, A BLADELIKE GUARD SECURED TO SAID HALVES BY SAID CLAMPING SCREW
Claim 2
Dependent Claim
113 words
IN A DEVICE FOR OPENING HEAVY PAPERBOARD CARTONS HAVING A CUTTING BLADE, A HANDLE TO CARRY SAID BLADE, SAID HANDLE BEING FORMED TO COMPLEMENTARY SHAPED HALVES WITH EACH HANDLE HALF BEING FORMED TO PROVIDE A BLADE RETAINING PASSAGE WHEN SAID HALVES ARE ALIGNED, EACH OF SAID HALVES HAVING A BULGED PORTION AT ONE END TO FORM A GRIP AND A LATERALLY DISPOSED GUIDE FLANGE AT THE OTHER END, AND A CLAMPING SCREW TO RETAIN SAID BLADE BETWEEN SAID HALVES AND SAID HALVES IN ALIGNED POSITION WITH A CORNER OF SAID BLADE PROJECTING BEYOND SAID GUIDE FLANGES TO CUTTING POSITION, THE IMPROVEMENT COMPRISING, A BLADELIKE GUARD SECURED TO SAID HALVES BY SAID CLAMPING SCREW
References Cited (Backward Citations)
US1498753A
Cited
US1796870A
Cited
US1898910A
Cited
US2095164A
Cited
US2187590A
Cited
US2254199A
Cited
US2537287A
Cited
US2593601A
Cited
US2686360A
Cited
US2681502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |