US2662957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistor or semiconductor
Assignee: Individual
•
Filing: 1950-10-23
•
Granted: 1953-12-15
•
Expires: 1970-10-23
Abstract
No abstract record available.
Inventors
- 👤 Eisler Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:51
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/16; H05K1/167; H01; H01B; H01B1/00; H01C; H01C7/00; H01C7/04; H01C7/041; H05K1/162; H05K1/02; H05K1/09; H05K1/092; H05K1/095; H05K2201/00; H05K2201/03; H05K2201/0302; H05K2201/0317; H05K2201/032; H05K2201/0323; H05K2201/0332; H05K2201/0335; H05K2201/0355; H05K2201/0388; H05K2201/0391; H05K2203/00; H05K2203/02; H05K2203/025; H05K2203/03; H05K2203/0361; H05K2203/07; H05K2203/0703; H05K2203/0723; H05K3/00; H05K3/02; H05K3/022; H05K3/04; H05K3/06; H05K3/07; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10S428/922; Y10S428/9265; Y10S428/931; Y10S438/00; Y10S438/98; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49156; Y10T428/00; Y10T428/12; Y10T428/12361; Y10T428/12451; Y10T428/12486; Y10T428/12493; Y10T428/125; Y10T428/12507; Y10T428/12528; Y10T428/12535; Y10T428/12986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1632651A
Cited
US2060114A
Cited
US2061107A
Cited
US2075733A
Cited
US2441960A
Cited
GB570877A
Cited
US2486865A
Cited
US2493542A
Cited
US2493745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |