US2428053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistor
Assignee: Individual
•
Filing: 1945-12-04
•
Granted: 1947-09-30
•
Expires: 1965-12-04
Abstract
No abstract record available.
Inventors
- 👤 Vasileff Natcho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/01; H01C1/012; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; H01C1/02; H01C1/034; H01C1/036
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |