US2874797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atomizer
Assignee: Defensor AG
•
Filing: 1955-06-06
•
Granted: 1959-02-24
•
Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Flury Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:33
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/12; F24F6/16; F24F6/02; F24F6/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1092079A
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US2047025A
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US2028444A
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US2233167A
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US2189021A
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CH249776A
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CH260510A
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FR990353A
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US2780009A
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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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |