US2707068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poison dispenser
Assignee: Individual
•
Filing: 1951-11-13
•
Granted: 1955-04-26
•
Expires: 1971-11-13
Abstract
No abstract record available.
Inventors
- 👤 Willis N Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:11
CPC Classifications
A; A01; A01M; A01M25/00; A01M25/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US467074A
Cited
US712843A
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US765815A
Cited
US778515A
Cited
US925252A
Cited
US1002150A
Cited
US1340127A
Cited
US1314951A
Cited
US2239464A
Cited
US2482589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |