US2445392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and ventilating apparatus for vehicles
Assignee: Eaton Corp
•
Filing: 1944-07-10
•
Granted: 1948-07-20
•
Expires: 1964-07-10
Abstract
No abstract record available.
Inventors
- 👤 Howard J Findley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:48
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60H; B60H1/00; B60H1/00421; B60H1/0045; B60K; B60K25/00; H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043; Y; Y10; Y10S; Y10S55/00; Y10S55/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US591395A
Cited
US994764A
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US1331384A
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US1602692A
Cited
US1978892A
Cited
US2173661A
Cited
US2103835A
Cited
US2264945A
Cited
US2383640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |