Patent US6003042A successfully refreshed from Google Patents.
US1865299A
Expired / Lapsed
US
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Piston for internal combustion engines
Assignee: Individual
•
Filing: 1929-11-01
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Granted: 1932-06-28
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Expires: 1949-11-01
Abstract
No abstract record available.
Inventors
- 👤 Berry Otto Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:44
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/02; F02F3/04; F02F3/042; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/04; F05C2201/0433; F05C2201/0448; Y; Y10; Y10S; Y10S164/00; Y10S164/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-06-28 | 1935-12-28 | 1936-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-28 | 1939-12-28 | 1940-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-28 | 1943-12-28 | 1944-06-28 | $7700.00 | Window Closed / Lapsed |