US2750504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal generator
Assignee: C G S LABORASTORIES Inc
•
Filing: 1951-06-21
•
Granted: 1956-06-12
•
Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Carl G Sontheimer
- 👤 Stanley I Sachs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:25
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2428622A
Cited
US2462866A
Cited
US2523122A
Cited
US2561727A
Cited
US2434115A
Cited
US2476725A
Cited
US2458650A
Cited
US2589246A
Cited
US2626355A
Cited
US2484562A
Cited
US2525452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |