Patent US2550100A successfully refreshed from Google Patents.
US2550100A
Expired / Lapsed
US
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Discharge device
Assignee: Cardox Corp
•
Filing: 1946-01-15
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Granted: 1951-04-24
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Expires: 1966-01-15
Abstract
No abstract record available.
Inventors
- 👤 Walter W Voss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:47
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/0009; A62C99/0018; A62C99/0027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US573157A
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US579173A
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US675672A
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US920145A
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US1040899A
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US1502822A
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US1769178A
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US2216072A
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US2357039A
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US2352399A
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US2387963A
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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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |