Patent US3306487A successfully refreshed from Google Patents.
US3306487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knocked-down cargo shipping container
Assignee: Gregoire Engineering and Development Co
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Filing: 1964-10-05
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Granted: 1967-02-28
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Resta S Gregoire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:16
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/52; B65D88/526; B65D88/528; B65D7/00; B65D7/12; B65D7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A RECTANGULAR KNOCK-DOWN CARGO CONTAINER COMPRISING A BOTTOM HAVING GROOVES ALONG ITS SIDE EDGES, SAID GROOVES HAVING A FLANGE EXTENDING INWARDLY FROM ONE SIDE THEREOF, FOUR SIDES HAVING CLEATED BOTTOMS ADAPTED FOR A SLIDING FIT IN SAID GROOVES WITH THE TOP OF THE CLEATS SLIDINGLY ENGAGING SAID FLANGES EXTENDING FROM THE SIDES OF THE GROOVES, CORNER POSTS HAVING ANGLE GROOVES FOR SLIDINGLY ENGAGING ANGLE FLANGES ON ADJACENT SIDE EDGES OF SAID SIDES TO LOCK THEM TOGETHER AT THE CORNERS, A TOP HAVING A GROOVE TO FIT OVER THE UPPER EDGES OF SAID SIDES AND CORNER POSTS, AND CORNER TIE BOLTS BETWEEN THE TOP AND BOTTOM FOR CLOSING THE TOP TIGHTLY OVER THE SIDES TO FORM A WEATHERTIGHT CONTAINER.
Claim 2
Dependent Claim
118 words
A RECTANGULAR KNOCK-DOWN CARGO CONTAINER COMPRISING A BOTTOM HAVING GROOVES ALONG ITS SIDE EDGES, SAID GROOVES HAVING A FLANGE EXTENDING INWARDLY FROM ONE SIDE THEREOF, FOUR SIDES HAVING CLEATED BOTTOMS ADAPTED FOR A SLIDING FIT IN SAID GROOVES WITH THE TOP OF THE CLEATS SLIDINGLY ENGAGING SAID FLANGES EXTENDING FROM THE SIDES OF THE GROOVES, CORNER POSTS HAVING ANGLE GROOVES FOR SLIDINGLY ENGAGING ANGLE FLANGES ON ADJACENT SIDE EDGES OF SAID SIDES TO LOCK THEM TOGETHER AT THE CORNERS, A TOP HAVING A GROOVE TO FIT OVER THE UPPER EDGES OF SAID SIDES AND CORNER POSTS, AND CORNER TIE BOLTS BETWEEN THE TOP AND BOTTOM FOR CLOSING THE TOP TIGHTLY OVER THE SIDES TO FORM A WEATHERTIGHT CONTAINER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |