US2446557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric heating of emulsions
Assignee: Induction Heating Corp
•
Filing: 1944-12-30
•
Granted: 1948-08-10
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Phillip W Schutz
- 👤 Everett K Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:31
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/048; B01D17/06; Y; Y10; Y10S; Y10S159/00; Y10S159/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1520501A
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US1464782A
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US1522188A
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GB301930A
Cited
FR690342A
Cited
GB505389A
Cited
US2364526A
Cited
US2374515A
Cited
US2344754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |