US2582915A
Expired / Lapsed
US
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Assignee: Houdaille Hershey Corp
•
Filing: 1948-03-20
•
Granted: 1952-01-15
•
Expires: 1968-03-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Sebok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:03
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1483379A
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US1841347A
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FR766983A
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FR771513A
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US2061570A
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US2083132A
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US2062090A
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US2251789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |