Patent US2604154A successfully refreshed from Google Patents.
US2604154A
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US
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Apparatus and method for controlling foam
Assignee: Individual
•
Filing: 1946-10-05
•
Granted: 1952-07-22
•
Expires: 1966-10-05
Abstract
No abstract record available.
Inventors
- 👤 Roy O Henszey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:52
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; A; A23; A23C; A23C1/00; A23C1/12; B01D1/00; B01D1/06; B01D1/12; Y; Y10; Y10S; Y10S159/00; Y10S159/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3749A
Cited
US14334A
Cited
US521946A
Cited
US521974A
Cited
US522416A
Cited
US863031A
Cited
US669862A
Cited
GB190715257A
Cited
US1067010A
Cited
US989996A
Cited
US971258A
Cited
US1028737A
Cited
US1250094A
Cited
US1511435A
Cited
US1762493A
Cited
US1783813A
Cited
US2091187A
Cited
GB440770A
Cited
US2106589A
Cited
US2223595A
Cited
US2287995A
Cited
US2305166A
Cited
US2512938A
Cited
US2537346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |