Patent US2697531A successfully refreshed from Google Patents.
US2697531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible disposable nursing bottle
Assignee: Individual
•
Filing: 1951-06-08
•
Granted: 1954-12-21
•
Expires: 1971-06-08
Abstract
No abstract record available.
Inventors
- 👤 Robert C Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:49
CPC Classifications
A; A61; A61J; A61J9/00; A61J9/005; Y; Y10; Y10S; Y10S128/00; Y10S128/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US664703A
Cited
GB116872A
Cited
US1344760A
Cited
US2260008A
Cited
US2244282A
Cited
US2373744A
Cited
US2443484A
Cited
US2460329A
Cited
US2517068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |