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US3302853A
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Assignee: Waldorf Paper Products Co
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Filing: 1965-06-21
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Granted: 1967-02-07
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Frank W Locke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:16
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A CLOSURE FOR A CONTAINER HAVING OPPOSED SIDE AND END WALLS HINGEDLY CONNECTED IN TUBULAR RELATION, THE CLOSURE INCLUDING: END FLAP HINGEDLY CONNECTED TO THE END WALLS, CONTAINER FORMING MEMBERS FORMED FROM EACH END FLAP HINGEDLY CONNECTED TO THE END WALLS AND INCLUDING SIDE EDGES PARALLEL TO THE SIDE WALLS, AND AN END THE CONTAINER FORMING MEMBERS FOLDED INTO COPLANAR AND EDGE ABUTTING RELATION, SIDE FLAPS HINGEDLY CONNECTED TO THE SIDE WALLS INCLUDING NOTCHES IN THE END EDGES OF THE SIDE FLAPS IN OPPOSED RELATION TO FORM APERTURES OF A PREDETERMINED WIDTH THROUGH THE SIDE FLAPS, FOLDED INWARDLY INTO COPLANAR AND EDGE ABUTTING RELATION AND INTO FACE CONTACT WITH SAID CONTAINER FORMING MEMBERS, AND LOCKING TABS FORMED FROM EACH END FLAP AND CONNECTED TO THE END WALLS INCLUDING A NECK PORTION BEING NARROWED IN WIDTH FROM THE JUNCTURE OF THE LOCKING TAB AND THE END WALL, AND A LOCKING TONGUE CONNECTED ALONG THE NECK PORTION BEING OF A WIDTH EQUAL TO THE PREDETERMINED WIDTH OF THE SIDE FLAP NOTCHES FOLDED DOWNWARDLY AND INSERTED SO THAT WHEN THE LOCKING TONGUES EXTEND THROUGH THE SIDE FLAP NOTCHES, THE LOCKING TONGUES ENGAGE SURFACE PORTIONS OF THE SIDE FLAP NOTCHES THEREBY LOCKING THE CONTAINER.
Claim 2
Dependent Claim
200 words
A CLOSURE FOR A CONTAINER HAVING OPPOSED SIDE AND END WALLS HINGEDLY CONNECTED IN TUBULAR RELATION, THE CLOSURE INCLUDING: END FLAP HINGEDLY CONNECTED TO THE END WALLS, CONTAINER FORMING MEMBERS FORMED FROM EACH END FLAP HINGEDLY CONNECTED TO THE END WALLS AND INCLUDING SIDE EDGES PARALLEL TO THE SIDE WALLS, AND AN END THE CONTAINER FORMING MEMBERS FOLDED INTO COPLANAR AND EDGE ABUTTING RELATION, SIDE FLAPS HINGEDLY CONNECTED TO THE SIDE WALLS INCLUDING NOTCHES IN THE END EDGES OF THE SIDE FLAPS IN OPPOSED RELATION TO FORM APERTURES OF A PREDETERMINED WIDTH THROUGH THE SIDE FLAPS, FOLDED INWARDLY INTO COPLANAR AND EDGE ABUTTING RELATION AND INTO FACE CONTACT WITH SAID CONTAINER FORMING MEMBERS, AND LOCKING TABS FORMED FROM EACH END FLAP AND CONNECTED TO THE END WALLS INCLUDING A NECK PORTION BEING NARROWED IN WIDTH FROM THE JUNCTURE OF THE LOCKING TAB AND THE END WALL, AND A LOCKING TONGUE CONNECTED ALONG THE NECK PORTION BEING OF A WIDTH EQUAL TO THE PREDETERMINED WIDTH OF THE SIDE FLAP NOTCHES FOLDED DOWNWARDLY AND INSERTED SO THAT WHEN THE LOCKING TONGUES EXTEND THROUGH THE SIDE FLAP NOTCHES, THE LOCKING TONGUES ENGAGE SURFACE PORTIONS OF THE SIDE FLAP NOTCHES THEREBY LOCKING THE CONTAINER.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |