Patent US2663553A successfully refreshed from Google Patents.
US2663553A
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Dissolving apparatus
Assignee: Wallace & Tiernan Co Inc
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Filing: 1952-07-02
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Granted: 1953-12-22
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Expires: 1972-07-02
Abstract
No abstract record available.
Inventors
- 👤 George M Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:31
CPC Classifications
B; B01; B01F; B01F21/00; B01F21/20; B01F21/10; B01F25/00; B01F25/20; B01F25/21; B01F25/212; B01F25/2122; B01F27/00; B01F27/80; B01F27/90; B01F25/50; B01F27/05; B01F27/11; B01F27/112; B01F27/1125; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/32015; Y; Y10; Y10S; Y10S422/00; Y10S422/901; Y10T; Y10T137/00; Y10T137/794
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |