US2547270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barn cleaner
Assignee: Individual
•
Filing: 1946-07-29
•
Granted: 1951-04-03
•
Expires: 1966-07-29
Abstract
No abstract record available.
Inventors
- 👤 Kunz John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:20
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US480329A
Cited
US1243136A
Cited
US835288A
Cited
US1444119A
Cited
US1640825A
Cited
US1827236A
Cited
US2171330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |