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US2659508A
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Assignee: Individual
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Filing: 1951-05-10
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Granted: 1953-11-17
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Expires: 1971-05-10
Abstract
No abstract record available.
Inventors
- 👤 Torstein A Nygaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:53
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/24; B65D51/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US800867A
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US935296A
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US1153706A
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US1671015A
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US1711232A
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US1795289A
Cited
US2059707A
Cited
US2347605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |