US2525993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature multiple unit variable resistor
Assignee: Globe Union Inc
•
Filing: 1948-10-06
•
Granted: 1950-10-17
•
Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Karl W Youngbeck
- 👤 Henry J Glueckstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:45
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/16; H01C10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1643105A
Cited
US1449725A
Cited
US1415534A
Cited
US2120651A
Cited
US2172396A
Cited
US2303499A
Cited
US2401037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |