Patent US2670671A successfully refreshed from Google Patents.
US2670671A
Expired / Lapsed
US
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Automobile rear window defroster
Assignee: Individual
•
Filing: 1950-05-25
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Granted: 1954-03-02
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Expires: 1970-05-25
Abstract
No abstract record available.
Inventors
- 👤 Haltenberger Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:03
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/24; B60H1/241; B60H1/244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2045578A
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US2176143A
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GB476787A
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US2268502A
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US2241755A
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US2304643A
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US2333818A
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US2319002A
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US2436728A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |