Patent US3012483A successfully refreshed from Google Patents.
US3012483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heading machine for closing the ends of tube lengths
Assignee: Mead Corp
•
Filing: 1958-08-04
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Granted: 1961-12-12
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Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 Leibreich Norman Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:37
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/004; B31B50/0045; B31B2105/00; B31B2105/002; B31B2105/0022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH54237A
Cited
US1401132A
Cited
US2444515A
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US2541905A
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US2671490A
Cited
US2584718A
Cited
US2696239A
Cited
US2789482A
Cited
US2865265A
Cited
US2778865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |