US2745477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoves, particularly for the heating of motor vehicles
Assignee: Individual
•
Filing: 1951-04-04
•
Granted: 1956-05-15
•
Expires: 1971-04-04
Abstract
No abstract record available.
Inventors
- 👤 Welin-Berger Guy John Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:41
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1022048A
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US1249644A
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US1529906A
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US1686887A
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US2074168A
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US2021569A
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US2388969A
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US2393411A
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US2507113A
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US2616412A
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US2553817A
Cited
US2621718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |