Patent US3779941A successfully refreshed from Google Patents.
Patent US3295740A successfully refreshed from Google Patents.
US3295740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Corning Glass Works
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Filing: 1965-03-10
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Granted: 1967-01-03
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Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Harrison R Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:41
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A TRIANGULAR CARTON HAVING IMPROVED CLOSURE MEANS WHICH COMPRISES, A BACK WALL PANEL AND A PAIR OF SIDE WALL PANELS CONNECTED TOGETHER ALONG SCORE LINES; A BOTTOM CLOSURE FLAP FOLDABLY SECURED TO THE LOWER EDGE OF EACH WALL PANEL, ONE OF SAID BOTTOM CLOSURE FLAPS BEING AN INTERIOR FLAP HAVING A RECESSED PORTION FORMED THEREIN, ANOTHER OF SAID BOTTOM CLOSURE FLAPS BEING AN INTERMEDIATE FLAP LYING ADJACENT SAID INTERIOR FLAP, AND THE OTHER BOTTOM CLOSURE FLAP BEING AN EXTERIOR LOCKING FLAP HAVING A MALE TONGUE PORTION COOPERATIVELY POSITIONED WITHIN THE RECESSED PORTION OF SAID INTERIOR FLAP; A TOP CLOSURE FLAP FOLDABLY SECURED TO THE UPPER EDGE OF EACH SIDE WALL PANEL, ONE OF SAID TOP CLOSURE FLAPS HAVING A SLIT LINE FORMED ALONG A PORTION OF ITS FOLDABLE CONNECTION FORMING AN OPEN PORTION THEREALONG, A LOCKING TAB FORMED PARTLY OUT OF SAID ONE TOP CLOSURE FLAP AND ITS ASSOCIATED SIDE WALL PANEL, THE OTHER OF SAID TOP CLOSURE FLAPS HAVING A TONGUE FLAP FOLDABLY PROJECTING FROM ONE EDGE THEREOF WITH A LOCKING SLIT FORMED ALONG A PORTION OF SUCH FOLD, AND SAID TONGUE FLAP PROJECTING THROUGH THE OPEN PORTION FORMED BY SAID SLIT LINE WITH SAID LOCKING TAB PROJECTING WITHIN SAID LOCKING SLIT TO PROVIDE A TRIANGULAR CARTON HAVING IMPROVED EASILY LOCKABLE CLOSURE MEANS.
Claim 2
Dependent Claim
214 words
A TRIANGULAR CARTON HAVING IMPROVED CLOSURE MEANS WHICH COMPRISES, A BACK WALL PANEL AND A PAIR OF SIDE WALL PANELS CONNECTED TOGETHER ALONG SCORE LINES; A BOTTOM CLOSURE FLAP FOLDABLY SECURED TO THE LOWER EDGE OF EACH WALL PANEL, ONE OF SAID BOTTOM CLOSURE FLAPS BEING AN INTERIOR FLAP HAVING A RECESSED PORTION FORMED THEREIN, ANOTHER OF SAID BOTTOM CLOSURE FLAPS BEING AN INTERMEDIATE FLAP LYING ADJACENT SAID INTERIOR FLAP, AND THE OTHER BOTTOM CLOSURE FLAP BEING AN EXTERIOR LOCKING FLAP HAVING A MALE TONGUE PORTION COOPERATIVELY POSITIONED WITHIN THE RECESSED PORTION OF SAID INTERIOR FLAP; A TOP CLOSURE FLAP FOLDABLY SECURED TO THE UPPER EDGE OF EACH SIDE WALL PANEL, ONE OF SAID TOP CLOSURE FLAPS HAVING A SLIT LINE FORMED ALONG A PORTION OF ITS FOLDABLE CONNECTION FORMING AN OPEN PORTION THEREALONG, A LOCKING TAB FORMED PARTLY OUT OF SAID ONE TOP CLOSURE FLAP AND ITS ASSOCIATED SIDE WALL PANEL, THE OTHER OF SAID TOP CLOSURE FLAPS HAVING A TONGUE FLAP FOLDABLY PROJECTING FROM ONE EDGE THEREOF WITH A LOCKING SLIT FORMED ALONG A PORTION OF SUCH FOLD, AND SAID TONGUE FLAP PROJECTING THROUGH THE OPEN PORTION FORMED BY SAID SLIT LINE WITH SAID LOCKING TAB PROJECTING WITHIN SAID LOCKING SLIT TO PROVIDE A TRIANGULAR CARTON HAVING IMPROVED EASILY LOCKABLE CLOSURE MEANS.
References Cited (Backward Citations)
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |