US3035559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion and precombustion chambers for compression ignition engines
Assignee: Caterpillar Inc
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Filing: 1960-04-27
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Granted: 1962-05-22
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Expires: 1980-04-27
Abstract
No abstract record available.
Inventors
- 👤 Paul H Brandes
- 👤 Harry M Kiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:52
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/14; F02B3/00; F02B2720/00; F02B2720/22; F02B2720/226; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |