US2428546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Revolving joint
Assignee: FRANCIS N BARD
•
Filing: 1942-10-19
•
Granted: 1947-10-07
•
Expires: 1962-10-19
Abstract
No abstract record available.
Inventors
- 👤 Victor W Breitenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:03
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/04; H01P1/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1176554A
Cited
FR642129A
Cited
US1821132A
Cited
GB355862A
Cited
US2264998A
Cited
US2332529A
Cited
US2291070A
Cited
US2345019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |