US3353394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming cup-shaped containers
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1963-04-29
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Granted: 1967-11-21
•
Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Smith Arthur Dean
- 👤 Henry G Henrickson
- 👤 Langewis Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:30
CPC Classifications
B; B21; B21D; B21D24/00; B21D45/00; B21D45/06; B21D45/065
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
AN APPARATUS FOR DRAWING CUP-SHAPED BLANKS INTO CONTAINER BODIES AND FOR HOLDING A BLANKS IN POSITION DURING THE DRAWING OPERATION COMPRISING A BARREL HAVING A SECTION OF REDUCED DIAMETER NEAR ONE END THEREOF AND BEYOND SAID SECTION OF REDUCED DIAMETER A SECTION FOR THE RECEPTION OF THE BLANKS, A PISTON ROD DISPOSED COAXIALLY WITHIN SAID BARREL AND HAVING A PISTON AT ITS REAR END AND A RAM OF LESSER DIAMETER THAN THE DIAMETER OF SAID REDUCED BARREL SECTION AT ITS FRONT END, A BLANK-HOLDING DEVICE SLIDABLY RECEIVED IN THE SPACE BETWEEN SAID RAM AND SAID REDUCED BARREL SECTION AND FORMING A GASTIGHT SEAL WITH BOTH SAID RAM AND SAID REDUCE BARREL SECTION,SAID BLANK-HOLDING DEVICE HAVING A FRONT END OF A SIZE AND CONFIGURATION WHEREBY IT ID ADAPTED TO FIT INTO AND SUPPORT THE CUP-SHAPED BLANKS, MEANS OPERATIVE
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |