Patent US2984415A successfully refreshed from Google Patents.
US2984415A
Expired / Lapsed
US
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Heating and ventilating system for motor vehicles
Assignee: Daimler Benz AG
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Filing: 1958-02-13
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Granted: 1961-05-16
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Expires: 1978-02-13
Abstract
No abstract record available.
Inventors
- 👤 Wilfert Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:22
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/24; B60H1/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2045826A
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US2133488A
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US2235642A
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GB527025A
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US2333818A
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US2592400A
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US2612829A
Cited
GB705572A
Cited
US2627218A
Cited
US2738718A
Cited
US2876998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |