Patent US2972249A successfully refreshed from Google Patents.
US2972249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kneader compactor
Assignee: Individual
•
Filing: 1958-02-20
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Granted: 1961-02-21
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Expires: 1978-02-20
Abstract
No abstract record available.
Inventors
- 👤 John L Mcrae
- 👤 Joseph P Wislocki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:34
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/286; G01N2203/00; G01N2203/0014; G01N2203/0016; G01N2203/0019; G01N2203/0025; G01N2203/0058; G01N2203/0076; G01N2203/0085; G01N2203/02; G01N2203/025; G01N2203/0256; G01N2203/026; G01N2203/0284; G01N2203/0298; G01N33/00; G01N33/24; G01N33/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |