US2904100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing member for heat sealing machines
Assignee: Individual
•
Filing: 1956-05-08
•
Granted: 1959-09-15
•
Expires: 1976-05-08
Abstract
No abstract record available.
Inventors
- 👤 Fener Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:15
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/347; B29C66/3472; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/812; B29C66/8122; B29C66/816; B29C66/8167; B29C66/818; B29C66/8182; B29C66/81821; B29C65/229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1204418A
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US2509439A
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US2468629A
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US2480794A
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US2574094A
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US2725091A
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US2574095A
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US2859796A
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US2796913A
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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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |