Patent US3186583A successfully refreshed from Google Patents.
US3186583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End construction for can
Assignee: Primerica Inc
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Filing: 1962-12-18
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Granted: 1965-06-01
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Zundel Arthur Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:07
CPC Classifications
B; B65; B65D; B65D7/00; B65D7/42; B65D7/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A ONE-PIECE SHEET METAL END CLOSURE FOR SUBSEQUENT ATTACHMENT TO A TUBULAR CONTAINER BODY INCLUDING A CENTRAL PANEL, A PERIPHERAL FLANGE SURROUNDING SAID PANEL AND EXTENDING IN A LATERAL DIRECTION ABOVE SAID PANEL, AND A WALL INTEGRAL WITH AND EXTENDING BETWEEN SAID PANEL AND SAID FLANGE IN A GENERALLY VERTICAL DIRECTION; THE IMPROVEMENT COMPRISING, A FOLD IN SAID WALL AT ITS LOWER END ADJACENT ITS CONNECTION TO SAID PANEL FORMING TWO CONTIGUOUS LAYERS OF METAL EXTENDING SUBSTANTIALLY INWARDLY TOWARDS THE CENTER OF SAID PANEL IN CONTIGUOUS RELATION ONLY WITH THE PERIPHERY OF SAID PANEL, SAID CONTIGUOUS METAL LAYERS STRENGTHENING SAID WALL AGAINST DEFORMATION WHEN SAID CLOSURE IS SUBJECTED TO FORCES FROM WITHIN A CONTAINER BODY TO WHICH IT IS ATTACHED WHEREBY SAID CLOSURE CAN BE MADE OF LIGHTER GAGE SHEET METAL.
Claim 2
Dependent Claim
132 words
IN A ONE-PIECE SHEET METAL END CLOSURE FOR SUBSEQUENT ATTACHMENT TO A TUBULAR CONTAINER BODY INCLUDING A CENTRAL PANEL, A PERIPHERAL FLANGE SURROUNDING SAID PANEL AND EXTENDING IN A LATERAL DIRECTION ABOVE SAID PANEL, AND A WALL INTEGRAL WITH AND EXTENDING BETWEEN SAID PANEL AND SAID FLANGE IN A GENERALLY VERTICAL DIRECTION; THE IMPROVEMENT COMPRISING, A FOLD IN SAID WALL AT ITS LOWER END ADJACENT ITS CONNECTION TO SAID PANEL FORMING TWO CONTIGUOUS LAYERS OF METAL EXTENDING SUBSTANTIALLY INWARDLY TOWARDS THE CENTER OF SAID PANEL IN CONTIGUOUS RELATION ONLY WITH THE PERIPHERY OF SAID PANEL, SAID CONTIGUOUS METAL LAYERS STRENGTHENING SAID WALL AGAINST DEFORMATION WHEN SAID CLOSURE IS SUBJECTED TO FORCES FROM WITHIN A CONTAINER BODY TO WHICH IT IS ATTACHED WHEREBY SAID CLOSURE CAN BE MADE OF LIGHTER GAGE SHEET METAL.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |