Patent US2412954A successfully refreshed from Google Patents.
US2412954A
Expired / Lapsed
US
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Coating device
Assignee: Individual
•
Filing: 1943-03-25
•
Granted: 1946-12-24
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Expires: 1963-03-25
Abstract
No abstract record available.
Inventors
- 👤 Vincent F Zdancewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:49
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; Y; Y10; Y10S; Y10S118/00; Y10S118/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-12-23 | 1950-06-24 | 1950-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-23 | 1954-06-24 | 1954-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-23 | 1958-06-24 | 1958-12-24 | $7700.00 | Window Closed / Lapsed |