Patent US2960061A successfully refreshed from Google Patents.
US2960061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying a coating of controlled variable thickness to metal stock
Assignee: Pennwalt Corp
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Filing: 1957-01-22
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Granted: 1960-11-15
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Roland A Whitbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:11
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/0207; B21; B21D; B21D37/00; B21D37/18; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US430707A
Cited
US2041765A
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US2114377A
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US2149964A
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US2469123A
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US2861897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |