Patent US2448477A successfully refreshed from Google Patents.
US2448477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic dampener for measuring instruments
Assignee: VOLAND AND SONS Inc
•
Filing: 1946-05-23
•
Granted: 1948-08-31
•
Expires: 1966-05-23
Abstract
No abstract record available.
Inventors
- 👤 Wasko Bernard
- 👤 Kistinger John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:53
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/06; G01G23/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |