Patent US2626052A successfully refreshed from Google Patents.
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 05:43
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1517900A
Cited
DE443616C
Cited
US1788361A
Cited
US2190852A
Cited
US2226170A
Cited
US2243309A
Cited
US2269583A
Cited
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 |