US2811200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drying viscous fluids which form films of varying thickness on revolving, heated drums
Assignee: Blaw Knox Co
•
Filing: 1952-10-14
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Granted: 1957-10-29
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Expires: 1972-10-14
Abstract
No abstract record available.
Inventors
- 👤 Montgomery Duncan Bain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:12
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190812672A
Cited
US1250427A
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US1129031A
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US1163439A
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US1727843A
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US2046489A
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US2259606A
Cited
US2559441A
Cited
US2556954A
Cited
US2592914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |