US2180042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction and irrigation apparatus
Assignee: DW Zimmerman Manufacturing Inc
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Filing: 1937-12-13
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Granted: 1939-11-14
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Expires: 1957-12-13
Abstract
No abstract record available.
Inventors
- 👤 Joe J Ettinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:07
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/38; A; A61; A61M; A61M3/00; A61M3/02; A61M3/0233; A61M3/0241; B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203; B01L3/0289; B01L3/0293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-11-13 | 1943-05-15 | 1943-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-13 | 1947-05-15 | 1947-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-13 | 1951-05-15 | 1951-11-14 | $7700.00 | Window Closed / Lapsed |