US2626052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flotation machine
Assignee: Individual
•
Filing: 1948-12-09
•
Granted: 1953-01-20
•
Expires: 1968-12-09
Abstract
No abstract record available.
Inventors
- 👤 Carbonnier Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:52
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/16; B03D1/02; B03D1/028; B03D1/1412; B03D1/1443; B03D1/1462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1517900A
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DE443616C
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US1788361A
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US2190852A
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US2226170A
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US2243309A
Cited
US2269583A
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US2393976A
Cited
FR886733A
Cited
US2337806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |