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US2620428A
Expired / Lapsed
US
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Piercer for nipples for bottles
Assignee: Individual
•
Filing: 1950-01-11
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Granted: 1952-12-02
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Expires: 1970-01-11
Abstract
No abstract record available.
Inventors
- 👤 Green Hyatt P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:53
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/0075; A61J11/009; Y; Y10; Y10T; Y10T83/00; Y10T83/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1157687A
Cited
US1474912A
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US1491908A
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US1590431A
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US1855475A
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US1960776A
Cited
US2224941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |