US3221920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threaded closure
Assignee: Inland Steel Co
•
Filing: 1962-11-28
•
Granted: 1965-12-07
•
Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Buys Adriaan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:48
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/08; B65D39/082; B65D39/088; B65D55/00; B65D55/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A CONTAINER COMPRISING, IN COMBINATION, A SHEET METAL WALL HAVING AN APERTURE FORMED THEREIN, A PLURALITY OF TONGUES INTEGRAL WITH SAID WALL AND PROJECTING OUT OF THE PLANE THEREOF IN SUBSTANTIALLY SURROUNDING RELATION TO THE APERTURE, SAID TONGUES HAVING PORTIONS OF SCREW THREADS FORMED THEREIN SUBSTANTIALLY DEFINING A COMMON HELIX, AND AN ANNULAR SLEEVE MOUNTED ON SAID WALL IN SURROUNDING RELATION TO THE APERTURE, SAID SLEEVE HAVING AT LEAST ONE TOOTH PROJECTING THROUGH THE APERTURE AND BETWEEN A PAIR OF ADJACENT ONE OF SAID TONGUES WHEREBY ROTATION OF SAID SLEEVE RELATIVE TO SAID WALL IS INHIBITED.
Claim 2
Dependent Claim
96 words
A CONTAINER COMPRISING, IN COMBINATION, A SHEET METAL WALL HAVING AN APERTURE FORMED THEREIN, A PLURALITY OF TONGUES INTEGRAL WITH SAID WALL AND PROJECTING OUT OF THE PLANE THEREOF IN SUBSTANTIALLY SURROUNDING RELATION TO THE APERTURE, SAID TONGUES HAVING PORTIONS OF SCREW THREADS FORMED THEREIN SUBSTANTIALLY DEFINING A COMMON HELIX, AND AN ANNULAR SLEEVE MOUNTED ON SAID WALL IN SURROUNDING RELATION TO THE APERTURE, SAID SLEEVE HAVING AT LEAST ONE TOOTH PROJECTING THROUGH THE APERTURE AND BETWEEN A PAIR OF ADJACENT ONE OF SAID TONGUES WHEREBY ROTATION OF SAID SLEEVE RELATIVE TO SAID WALL IS INHIBITED.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |