Patent US3221690A successfully refreshed from Google Patents.
US3221690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bumper stabilizer for a can body side seamer
Assignee: Individual
•
Filing: 1962-05-03
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Granted: 1965-12-07
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Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 Thelma E Laxo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:30
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/28; B30; B30B; B30B1/00; B30B1/26; F; F16; F16C; F16C5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A BODY SIDE SEAMER HAVING A MACHINE FRAME, AND A HORN FOR SUPOPORTING A CAN BODY BLANK THEREON WITH HOOKS ALONG OPPOSITE EDGES OF SAID BLANK INTERLOCKED, MEANS FOR DELIVERING AN IMPACT TO SAID INTERLOCKED EDGES COMPRISING: A DRIVEN CRANKSHAFT, A CONNECTING ROD HAVING ONE END PORTION THEREOF MOUNTED ON SAID CRANKSHAFT, A CROSS HEAD PIVOTALLY MOUNTED ADJACENT THE OTHER END PORTION OF SAID CONNECTING ROD, A GUIDE MEMBER HAVING OPPOSITE SIDES PARALLEL TO A DIAMETER OF SAID CRANKSHAFT AT THE ROTATIONAL AXIS THEREOF,
Claim 2
Dependent Claim
85 words
IN A BODY SIDE SEAMER HAVING A MACHINE FRAME, AND A HORN FOR SUPOPORTING A CAN BODY BLANK THEREON WITH HOOKS ALONG OPPOSITE EDGES OF SAID BLANK INTERLOCKED, MEANS FOR DELIVERING AN IMPACT TO SAID INTERLOCKED EDGES COMPRISING: A DRIVEN CRANKSHAFT, A CONNECTING ROD HAVING ONE END PORTION THEREOF MOUNTED ON SAID CRANKSHAFT, A CROSS HEAD PIVOTALLY MOUNTED ADJACENT THE OTHER END PORTION OF SAID CONNECTING ROD, A GUIDE MEMBER HAVING OPPOSITE SIDES PARALLEL TO A DIAMETER OF SAID CRANKSHAFT AT THE ROTATIONAL AXIS THEREOF,
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) | 1968-12-06 | 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 |