US2419795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breast pump
Assignee: Individual
•
Filing: 1945-07-11
•
Granted: 1947-04-29
•
Expires: 1965-07-11
Abstract
No abstract record available.
Inventors
- 👤 Paul W Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/06; A61M1/80; A61M1/81; A61M2205/00; A61M2205/07; A61M2205/071; A61M2205/073
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) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |