Patent US2767369A successfully refreshed from Google Patents.
US2767369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means and system of control
Assignee: McGraw Electric Co
•
Filing: 1953-04-01
•
Granted: 1956-10-16
•
Expires: 1973-04-01
Abstract
No abstract record available.
Inventors
- 👤 Schindler Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:10
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/14; G05F1/147; H; H01; H01F; H01F29/00; H01F29/02; H01F29/025; H01F7/00; H01F7/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR956045A
Cited
US875463A
Cited
US2227170A
Cited
US2234326A
Cited
US2533042A
Cited
US2590199A
Cited
US2543112A
Cited
US2613890A
Cited
US2680832A
Cited
US2605615A
Cited
US2617050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |