Patent US2650643A successfully refreshed from Google Patents.
US2650643A
Expired / Lapsed
US
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Sealing mechanism for wrapping machines
Assignee: Individual
•
Filing: 1948-04-03
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Granted: 1953-09-01
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Expires: 1968-04-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:22
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1655634A
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GB368709A
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US1953195A
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US2133339A
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US2133348A
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US2114833A
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US2080834A
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US2049876A
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US2420763A
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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) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |