US2918896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling rollers for leveling and making paint or enamel coatings uniform
Assignee: National Steel Corp
•
Filing: 1955-06-17
•
Granted: 1959-12-29
•
Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Uhleen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:11
CPC Classifications
B; B05; B05C; B05C11/00; B05C11/02; B05C11/023; B05C11/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1421662A
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US1468333A
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US1956562A
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US2285041A
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US2251264A
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US2330282A
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US2429862A
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US2464771A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |