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US2459642A
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Seal
Assignee: Rodpak Manufacturing Co
•
Filing: 1943-03-01
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Granted: 1949-01-18
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Expires: 1963-03-01
Abstract
No abstract record available.
Inventors
- 👤 Roy C Hamilton
- 👤 Edward S Rothchild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:41
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/06; F16J9/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US298871A
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US358442A
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US934627A
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US922635A
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US1481160A
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US2107301A
Cited
US2073888A
Cited
US2239703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |