Patent US2680441A successfully refreshed from Google Patents.
US2680441A
Expired / Lapsed
US
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Nursing bottle attachment
Assignee: Individual
•
Filing: 1952-03-11
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Granted: 1954-06-08
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Expires: 1972-03-11
Abstract
No abstract record available.
Inventors
- 👤 Krammer Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:49
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/0005; A61J7/00; A61J7/0015; A61J7/0046; A61J7/0053; A61J9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US190464A
Cited
US1656157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |