US2459282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistor and spabk plug embodying
Assignee: —
•
Filing: —
•
Granted: 1949-01-18
•
Expires: 1966-01-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:31
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/40; H01T13/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1764311A
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US1806347A
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GB363615A
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US1922221A
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US1976901A
Cited
US1960316A
Cited
US1978323A
Cited
US2134752A
Cited
US2264285A
Cited
US2248415A
Cited
US2280962A
Cited
US2305577A
Cited
US2296045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |