Patent US2437166A successfully refreshed from Google Patents.
US2437166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volume control
Assignee: International Resistance Co
•
Filing: 1944-06-02
•
Granted: 1948-03-02
•
Expires: 1964-06-02
Abstract
No abstract record available.
Inventors
- 👤 Edmund G Lodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:18
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49098
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1745400A
Cited
US1871492A
Cited
US1913473A
Cited
US1985166A
Cited
US2163798A
Cited
US2269136A
Cited
US2282328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |