Patent US2849215A successfully refreshed from Google Patents.
US2849215A
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US
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Mechanical foaming device
Assignee: PLY BORD Inc
•
Filing: 1956-08-09
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Granted: 1958-08-26
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Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:23
CPC Classifications
A; A62; A62C; A62C5/00; A62C5/002; B; B01; B01F; B01F27/00; B01F27/80; B01F27/90; Y; Y10; Y10S; Y10S261/00; Y10S261/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US201900A
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US388724A
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US1156606A
Cited
US1792190A
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US2011483A
Cited
US2146566A
Cited
US2387488A
Cited
US2448927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |