US2841069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating device for vehicles
Assignee: Individual
•
Filing: 1952-07-18
•
Granted: 1958-07-01
•
Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Ginzburg Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:23
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/24; B60H1/26; B60H1/267
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1986700A
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US2484769A
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US2448671A
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US2557442A
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US2580663A
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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) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |