Patent US2908320A successfully refreshed from Google Patents.
US2908320A
Expired / Lapsed
US
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Apparatus for heat sealing
Assignee: Individual
•
Filing: 1954-12-08
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Granted: 1959-10-13
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Expires: 1974-12-08
Abstract
No abstract record available.
Inventors
- 👤 Howard A Rohdin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B23; B23K; B23K20/00; B29C65/229; B29C66/00; B29C66/80; B29C66/81; B29C66/818; B29C66/8187; B29C66/81875; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/9161; B29C66/91641; B29C66/91651; B29C66/91655; B29C66/919; B29C66/9192; B29C66/91921; B29C66/92; B29C66/924; B29C66/9241; B29C66/94; B29C66/949
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2766809A
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US2697773A
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US2675054A
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US2759524A
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US2762420A
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US2780275A
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US2800162A
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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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |