US2648804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple element circuit components
Assignee: Erie Resistor Corp
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Filing: 1951-02-01
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Granted: 1953-08-11
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Expires: 1971-02-01
Abstract
No abstract record available.
Inventors
- 👤 Oliver I Steigerwalt
- 👤 Howard I Oshry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/16; H05K1/162; H05K1/165; H05K1/02; H05K1/03; H05K1/0306; H05K2201/00; H05K2201/01; H05K2201/0183; H05K2201/0187; H05K2201/08; H05K2201/083; H05K2201/086; Y; Y10; Y10S; Y10S264/00; Y10S264/36
Claims Analysis
Total Claims: 0
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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) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |