US3261537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self locking container
Assignee: Mead Corp
•
Filing: 1963-11-18
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Granted: 1966-07-19
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Oscar J Kistner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64; B65D5/66; B65D5/6626; B65D5/665
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A TOP PANEL, A FIRST SIDE PANEL, A BOTTOM PANEL, AND A SECOND SIDE PANEL SUCCESSIVELY INTERCONNECTED BY FOLD LINES TO ONE EDGE OF SAID TOP PANEL, BIFFER MEMBERS FORMED INTEGRALLY WITH EACH SIDE OF SAID TOP PANEL, A LOCKING STRUCTURE INTERCONNECTED BY A FOLD LINE TO SAID SECOND SIDE PANEL, SAID LOCKING STRUCTURE INCLUDING A BODY PORTION CONNECTED TO A FLAP BODY BY A PAIR OF SPACED FOLD LINES INTERCONNECTED BY A SUSBTANTIALLY U-SHAPED SLIT IN SAID BODY PORTION FOR RECEIVING A PAIR OF SPACED APART REARWARDLY EXTENDING LOCK TABS INTEGRALLY FORMED WITH SAID FLAP BODY AND SYMMETRICALLY DISPOSED RELATIVE TO THE CENTRAL AXIS OF A FORWARDLY EXTENDING LOCK TAB CONNECTED BY A FOLD LINE TO SAID FLAP BODY, AND MEANS FOR READILY DETACHABLY SECURING SAID LOCK TABS TO SAID TOP PANEL INCLUDING SLOTS FORMED THEREIN AND REGISTERING WITH EACH OF SAID LOCK TABS.
Claim 2
Independent Claim
152 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A TOP PANEL, A FIRST SIDE PANEL, A BOTTOM PANEL, AND A SECOND SIDE PANEL SUCCESSIVELY INTERCONNECTED BY FOLD LINES TO ONE EDGE OF SAID TOP PANEL, BIFFER MEMBERS FORMED INTEGRALLY WITH EACH SIDE OF SAID TOP PANEL, A LOCKING STRUCTURE INTERCONNECTED BY A FOLD LINE TO SAID SECOND SIDE PANEL, SAID LOCKING STRUCTURE INCLUDING A BODY PORTION CONNECTED TO A FLAP BODY BY A PAIR OF SPACED FOLD LINES INTERCONNECTED BY A SUSBTANTIALLY U-SHAPED SLIT IN SAID BODY PORTION FOR RECEIVING A PAIR OF SPACED APART REARWARDLY EXTENDING LOCK TABS INTEGRALLY FORMED WITH SAID FLAP BODY AND SYMMETRICALLY DISPOSED RELATIVE TO THE CENTRAL AXIS OF A FORWARDLY EXTENDING LOCK TAB CONNECTED BY A FOLD LINE TO SAID FLAP BODY, AND MEANS FOR READILY DETACHABLY SECURING SAID LOCK TABS TO SAID TOP PANEL INCLUDING SLOTS FORMED THEREIN AND REGISTERING WITH EACH OF SAID LOCK TABS.
References Cited (Backward Citations)
US3125279A
Cited
US681685A
Cited
US1448864A
Cited
US2132957A
Cited
US2275134A
Cited
US2684758A
Cited
US2990997A
Cited
US3194476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |