Patent US3391824A successfully refreshed from Google Patents.
US3391824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking container
Assignee: Dart Industries Inc
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Filing: 1964-06-19
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Granted: 1968-07-09
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Expires: 1984-06-19
Abstract
No abstract record available.
Inventors
- 👤 Anthony P J Wiseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:11
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A CONTAINER HAVING A HOLLOW BODY PORTION FORMED OF SIDE AND BOTTOM WALLS AND A CENTRALLY EXTENDING TOP NECK UNIT, THE BOTTOM WALL HAVING A SUBSTANTIALLY FLAT PORTION JOINED TO THE SIDE WALL AT THE PERIPHERY JUNCTURE AREAS, A RECESSED AREA EXTENDING INTO THE BOTTOM AND SIDE WALLS AT THE PERIPHERAL JUNCTURE AREAS THEREOF, ONE OF SAID RECESSED AREAS BEING LOCATED ON EACH SIDE OF SAID CONTIANER; A PLURALITY OF SAID CONTAINERS BEING STACKABLE IN A PYRAMIDAL CONFIGURATION BY FORMING A BASE LAYER OF CONTAINERS IN ABUTTING RELATIONSHIP TO EACH OTHER, AND FORMING ADDITIONAL LAYERS OF CONTAINERS ON TOP OF THE BASE LAYER WITH THE NECK UNITS OF THE LOWER LAYER CONTAINERS POSITIONED IN INDIVIDUAL RECESSES OF THE NEXT UPPER LAYER CONTAINERS.
Claim 2
Dependent Claim
122 words
A CONTAINER HAVING A HOLLOW BODY PORTION FORMED OF SIDE AND BOTTOM WALLS AND A CENTRALLY EXTENDING TOP NECK UNIT, THE BOTTOM WALL HAVING A SUBSTANTIALLY FLAT PORTION JOINED TO THE SIDE WALL AT THE PERIPHERY JUNCTURE AREAS, A RECESSED AREA EXTENDING INTO THE BOTTOM AND SIDE WALLS AT THE PERIPHERAL JUNCTURE AREAS THEREOF, ONE OF SAID RECESSED AREAS BEING LOCATED ON EACH SIDE OF SAID CONTIANER; A PLURALITY OF SAID CONTAINERS BEING STACKABLE IN A PYRAMIDAL CONFIGURATION BY FORMING A BASE LAYER OF CONTAINERS IN ABUTTING RELATIONSHIP TO EACH OTHER, AND FORMING ADDITIONAL LAYERS OF CONTAINERS ON TOP OF THE BASE LAYER WITH THE NECK UNITS OF THE LOWER LAYER CONTAINERS POSITIONED IN INDIVIDUAL RECESSES OF THE NEXT UPPER LAYER CONTAINERS.
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |