US2430552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction pump
Assignee: Individual
•
Filing: 1944-10-11
•
Granted: 1947-11-11
•
Expires: 1964-10-11
Abstract
No abstract record available.
Inventors
- 👤 Maurice V Bernal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:02
CPC Classifications
F; F04; F04D; F04D23/00; F04D23/001; F04D23/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US427060A
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US550797A
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US923914A
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US1328061A
Cited
US1543740A
Cited
US1556203A
Cited
US1558055A
Cited
US1999163A
Cited
US1928795A
Cited
US2323382A
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 |