Patent US1889867A successfully refreshed from Google Patents.
Patent US3005402A successfully refreshed from Google Patents.
US3005402A
Expired / Lapsed
US
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Apparatus for heat sealing a plurality of
Assignee: —
•
Filing: —
•
Granted: 1961-10-24
•
Expires: 1978-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:26
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/229; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29C66/84; B29C66/843; B30; B30B; B30B15/00; B30B15/06; B30B15/062; B30B15/064; B29C65/222; B29C66/70; B29C66/71; B29C66/81; B29C66/812; B29C66/8122; B29C66/82; B29C66/824; B29C66/8242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2307344A
Cited
US2438685A
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US2682294A
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US2692328A
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US2859796A
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US2767769A
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US2796913A
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US2822030A
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US2918106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |