US3196846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary piston engine
Assignee: Daimler Benz AG
•
Filing: 1961-05-01
•
Granted: 1965-07-27
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Ohlendorf Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:06
CPC Classifications
F; F02; F02B; F02B53/00; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US639541A
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US697143A
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US873819A
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US932463A
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US991631A
Cited
US1126812A
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US1186332A
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US2932257A
Cited
US2988065A
Cited
US2989951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |