Patent US3125279A successfully refreshed from Google Patents.
US3125279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cardboard and like cartons
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:48
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/12; B65D27/20; B65D27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A CARDBOARD OR LIKE CARTON IN THE FORM OF A FLAT ENVELOPE-LIKE OBJECT HAVING A FRONT PANEL AND A BACK PANEL, A CLOSURE FLAP HINGED ALONG AN EDGE OF SAID FRONT PANEL SO AS TO BE FOLDABLE FLATWISE ON TO THE OUTSIDE OF SAID BACK PANEL, SAID BACK PANEL HAVING A TRANSVERSE SLIT AND SAID CLOSURE FLAP BEING ENGAGEABLE WITH SAID SLIT BY INSERTING ITS FREE END THEREINTO IN ONE DIRECTION TO CLOSE SAID CARTON, SAID BACK PANEL ALSO HAVING A SECOND TRANSVERSE SLIT LOCATED THEREIN BETWEEN THE ONE FIRST-MENTIONED AND SAID EDGE, AND A LOCKING TONGUE FORMED IN SAID CLOSURE FLAP IN A MANNER FOR SUCH TONGUE TO ENTER INTO SAID SECOND TRANSVERSE SLIT IN DIRECTION OPPOSITE TO THE DIRECTION IN WHICH THE FREE END OF SAID CLOSURE FLAP IS ENGAGED WITH THE SLIT FIRST-MENTIONED TO CLOSE SAID CARTON.
Claim 2
Dependent Claim
140 words
A CARDBOARD OR LIKE CARTON IN THE FORM OF A FLAT ENVELOPE-LIKE OBJECT HAVING A FRONT PANEL AND A BACK PANEL, A CLOSURE FLAP HINGED ALONG AN EDGE OF SAID FRONT PANEL SO AS TO BE FOLDABLE FLATWISE ON TO THE OUTSIDE OF SAID BACK PANEL, SAID BACK PANEL HAVING A TRANSVERSE SLIT AND SAID CLOSURE FLAP BEING ENGAGEABLE WITH SAID SLIT BY INSERTING ITS FREE END THEREINTO IN ONE DIRECTION TO CLOSE SAID CARTON, SAID BACK PANEL ALSO HAVING A SECOND TRANSVERSE SLIT LOCATED THEREIN BETWEEN THE ONE FIRST-MENTIONED AND SAID EDGE, AND A LOCKING TONGUE FORMED IN SAID CLOSURE FLAP IN A MANNER FOR SUCH TONGUE TO ENTER INTO SAID SECOND TRANSVERSE SLIT IN DIRECTION OPPOSITE TO THE DIRECTION IN WHICH THE FREE END OF SAID CLOSURE FLAP IS ENGAGED WITH THE SLIT FIRST-MENTIONED TO CLOSE SAID CARTON.
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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |