US2430753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1943-11-08
•
Granted: 1947-11-11
•
Expires: 1963-11-08
Abstract
No abstract record available.
Inventors
- 👤 Ziska Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:35
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/122; F04B1/124; F04B1/126; F04B1/20; F04B1/2014; F04B1/2035; F04B1/2042; F04B1/205; F04B1/22; F04B1/26; F04B1/30; F04B1/32; F04B1/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US951278A
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US1019521A
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US1241624A
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US1297700A
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US1430602A
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US1427740A
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US1428876A
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US1506892A
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US2093477A
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US2192539A
Cited
US2215700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |