US2547489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butt gauge
Assignee: Individual
•
Filing: 1947-05-19
•
Granted: 1951-04-03
•
Expires: 1967-05-19
Abstract
No abstract record available.
Inventors
- 👤 William A Priebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:52
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/003; E05; E05D; E05D11/00; E05D11/0009
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US537870A
Cited
US836737A
Cited
US1034843A
Cited
US1051754A
Cited
US1118570A
Cited
US1295386A
Cited
US1837524A
Cited
US1787313A
Cited
US2160437A
Cited
US2422367A
Cited
US2500800A
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 |