US2632827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit controller
Assignee: METROPOLITAN DEVICE Corp
•
Filing: 1948-01-27
•
Granted: 1953-03-24
•
Expires: 1968-01-27
Abstract
No abstract record available.
Inventors
- 👤 Albert B Rypinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:41
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44; H01H9/446
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US463762A
Cited
US1914129A
Cited
US2101783A
Cited
US2147430A
Cited
US2159645A
Cited
US2133158A
Cited
US2160681A
Cited
US2292177A
Cited
US2411893A
Cited
US2524287A
Cited
US2450268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |