US3546129A
Expired / Lapsed
US
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Apparatus for making emulsions
Assignee: ROBERTA V BERG
•
Filing: 1968-03-11
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Granted: 1970-12-08
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Expires: 1988-03-11
Abstract
No abstract record available.
Inventors
- 👤 Robert H Berg
- 👤 Carl Arthur Youngdahl
- 👤 Lynn E Ellison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31596; B; B01; B01F; B01F31/00; B01F31/44; B01F31/441; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B01F33/50112; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; Y; Y10; Y10S; Y10S516/00; Y10S516/924
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |