Patent US2446476A successfully refreshed from Google Patents.
US2446476A
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US
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Apparatus for coating cylindrical surfaces
Assignee: Individual
•
Filing: 1944-12-09
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Granted: 1948-08-03
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Expires: 1964-12-09
Abstract
No abstract record available.
Inventors
- 👤 William C Huebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:31
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/16; G03F7/18
Claims Analysis
Total Claims: 0
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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) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |