US2563941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beater
Assignee: Individual
•
Filing: 1947-05-17
•
Granted: 1951-08-14
•
Expires: 1967-05-17
Abstract
No abstract record available.
Inventors
- 👤 Krasberg Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:05
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/10; A47J43/1006; A47J43/1031; A47J43/1037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190704970A
Cited
US975298A
Cited
US1382355A
Cited
US1705639A
Cited
US1744445A
Cited
US1764597A
Cited
US1915017A
Cited
US2036262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |