US2764840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rat bait self-feeder
Assignee: Individual
•
Filing: 1954-02-08
•
Granted: 1956-10-02
•
Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 James R Mayfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:42
CPC Classifications
A; A01; A01M; A01M25/00; A01M25/002; A01M25/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321360A
Cited
CA199004A
Cited
US1048977A
Cited
US1964611A
Cited
US2205125A
Cited
US2505396A
Cited
US2568168A
Cited
US2664663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |