Patent US2764155A successfully refreshed from Google Patents.
US2764155A
Expired / Lapsed
US
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Device inhibiting air from being sucked from inverted nursing bottles
Assignee: Individual
•
Filing: 1955-05-16
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Granted: 1956-09-25
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Expires: 1975-05-16
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:11
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/001; A61J11/002
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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |