US2969960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Bayer Corp
•
Filing: 1957-06-05
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Granted: 1961-01-31
•
Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Jesse Fred Gurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:28
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/405; B29B7/407; B01; B01F; B01F27/00; B01F27/27; B01F27/272; B01F27/2722; B01F27/2723; B01F27/2724; B29B7/401; B29B7/402; B29B7/408; Y; Y10; Y10S; Y10S261/00; Y10S261/26; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2017598A
Cited
US655805A
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US857121A
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US1624567A
Cited
US1794972A
Cited
US2453088A
Cited
US2857144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |