US2615436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetary type engine
Assignee: Individual
•
Filing: 1950-11-15
•
Granted: 1952-10-28
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Walter S Pawl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:37
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/08; F01C1/10; F01C1/107; F02; F02B; F02B53/00; F02B2730/00; F02B2730/05; F04; F04C; F04C2250/00; F04C2250/20; F04C2250/201; 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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |