Patent US2695004A successfully refreshed from Google Patents.
US2695004A
Expired / Lapsed
US
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Doctor blade for coating machines
Assignee: Champion Paper and Fibre Co
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Filing: 1951-03-02
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Granted: 1954-11-23
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Expires: 1971-03-02
Abstract
No abstract record available.
Inventors
- 👤 William J Montgomery
- 👤 William P Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:23
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/34; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003; D21H5/0032; D21H5/0035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1312034A
Cited
US1661174A
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GB474828A
Cited
US2214787A
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US2221441A
Cited
US2334102A
Cited
US2398844A
Cited
US2598733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |