US2898974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heat-sealing metallic liners in containers
Assignee: Reynolds Metals Co
•
Filing: 1957-05-28
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Granted: 1959-08-11
•
Expires: 1977-05-28
Abstract
No abstract record available.
Inventors
- 👤 John B Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:57
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/60; B31B50/64; B31B2105/00; B31B2120/00; B31B2120/40; B31B2120/402; Y; Y10; Y10T; Y10T156/00; Y10T156/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1480143A
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US1597677A
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US1585642A
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US1976259A
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US2555380A
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US2364406A
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US2446038A
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US2417226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |