Patent CH170811A successfully refreshed from Google Patents.
US2826067A
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Assignee: Akzo Nobel UK PLC
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Filing: 1955-10-11
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Granted: 1958-03-11
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Expires: 1975-10-11
Abstract
No abstract record available.
Inventors
- 👤 Richard H Braunlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:32
CPC Classifications
F; F04; F04D; F04D15/00; F04D15/0088; G; G01; G01F; G01F25/00; G01F25/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US668514A
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US1718553A
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US2062173A
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US2181075A
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US2359767A
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US2409982A
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US2612777A
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US2493757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |