US3142298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stomach pump apparatus
Assignee: Individual
•
Filing: 1962-01-29
•
Granted: 1964-07-28
•
Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 William L Koski
- 👤 Emil S Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:42
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/71; A61M1/77; A61M1/772
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3042042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |