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Patent US2513449A successfully refreshed from Google Patents.
US2513449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Egg cleaner
Assignee: Individual
•
Filing: 1948-02-09
•
Granted: 1950-07-04
•
Expires: 1968-02-09
Abstract
No abstract record available.
Inventors
- 👤 Caldwell Margaret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:33
CPC Classifications
A; A01; A01K; A01K43/00; A01K43/005; Y; Y10; Y10S; Y10S451/00; Y10S451/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US392814A
Cited
US920943A
Cited
GB190823171A
Cited
GB105276A
Cited
US1912825A
Cited
US1939111A
Cited
US2376847A
Cited
US2363728A
Cited
US2432434A
Cited
US2408648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |