US2512413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanger and mechanical connection
Assignee: BERNARD R BERK
•
Filing: 1948-02-11
•
Granted: 1950-06-20
•
Expires: 1968-02-11
Abstract
No abstract record available.
Inventors
- 👤 Borisof Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:53
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/08; A47G; A47G25/00; A47G25/02; A47G25/06; A47G25/0685
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US895578A
Cited
US1246585A
Cited
US1838653A
Cited
US1896654A
Cited
US1995983A
Cited
US1958962A
Cited
US2425146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |