US2813491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food feeding device
Assignee: Old Carco LLC
•
Filing: 1954-06-14
•
Granted: 1957-11-19
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Alexander G Herreshoff
- 👤 Andrew R White
- 👤 Robert M Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:19
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1238; A; A61; A61M; A61M1/00; A61M1/80; A61M31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2102523A
Cited
US2406485A
Cited
US2483924A
Cited
US2564160A
Cited
US2662666A
Cited
US2664756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |