US3430628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plurality of aspirators
Assignee: REATHA L WIGGINS
•
Filing: 1965-02-23
•
Granted: 1969-03-04
•
Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Reatha L Wiggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:41
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/150022; A61B5/150206; A61B5/150221; A61B5/150305; A61B5/150351; A61B5/151; A61B5/15142; B; B01; B01L; B01L3/00; B01L3/02; B01L3/021; B01L3/0213; A61B5/150251
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1433075A
Cited
US1589056A
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US1800138A
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FR668022A
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US1986403A
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US2410928A
Cited
US2540360A
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US2511469A
Cited
US2662637A
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US3295523A
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US3181693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |