US2655070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damping means for tone generators
Assignee: Stromberg Carlson Corp
•
Filing: 1950-12-04
•
Granted: 1953-10-13
•
Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Frank H Slaymaker
- 👤 Willard F Meeker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:12
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1145213A
Cited
US1140932A
Cited
US1843553A
Cited
US2195041A
Cited
US2180539A
Cited
US2155052A
Cited
US2302670A
Cited
US2375818A
Cited
US2519306A
Cited
US2606474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |