US2748336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit-arrangement
Assignee: Hartford National Bank and Trust Co
•
Filing: 1950-03-08
•
Granted: 1956-05-29
•
Expires: 1970-03-08
Abstract
No abstract record available.
Inventors
- 👤 Valeton Josue Jean Philippe
- 👤 Schenau Bernardus Willem Ingen
- 👤 Lubben Gerrit Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:25
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2171657A
Cited
US2386548A
Cited
US2532347A
Cited
US2535651A
Cited
US2569289A
Cited
US2515196A
Cited
US2485652A
Cited
US2565621A
Cited
US2555449A
Cited
US2573280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |