US2643785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum nursing bottle
Assignee: Individual
•
Filing: 1950-10-24
•
Granted: 1953-06-30
•
Expires: 1970-10-24
Abstract
No abstract record available.
Inventors
- 👤 Sr Leonard Wood Rust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:47
CPC Classifications
A; A61; A61J; A61J9/00; A61J9/008; A61J9/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096961A
Cited
US1749432A
Cited
US1855039A
Cited
US2093130A
Cited
GB498661A
Cited
US2324253A
Cited
US2480247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |