US2476468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magneto
Assignee: Individual
•
Filing: 1945-07-30
•
Granted: 1949-07-19
•
Expires: 1965-07-30
Abstract
No abstract record available.
Inventors
- 👤 Vollenweider Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:16
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2706; H02K1/272; H02K1/2726; H02K1/2733
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1291216A
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GB331232A
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US2015091A
Cited
US2060260A
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US2091190A
Cited
US2213724A
Cited
US2258503A
Cited
US2215106A
Cited
US2315902A
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US2286234A
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US2432436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |