US3046973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating apparatus for liquid fuels
Assignee: Eberspaecher Climate Control Systems GmbH and Co KG
•
Filing: 1959-11-16
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Granted: 1962-07-31
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Kofink Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:29
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/06; F24H3/065; F24H9/00; F24H9/18; F24H9/1854; F24H9/1877; F24H9/1881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US792667A
Cited
US1296822A
Cited
US1357276A
Cited
US2395418A
Cited
US2757662A
Cited
US2777508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |