Patent US2599230A successfully refreshed from Google Patents.
US2599230A
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US
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Assignee: Individual
•
Filing: 1948-01-26
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Granted: 1952-06-03
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Expires: 1968-01-26
Abstract
No abstract record available.
Inventors
- 👤 George F Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:32
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/50; E01F9/553
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1661242A
Cited
GB286168A
Cited
US1746312A
Cited
US1798467A
Cited
US2015031A
Cited
US1818523A
Cited
AU2380329A
Cited
US1804281A
Cited
US1952471A
Cited
GB446059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |