Patent US2964364A successfully refreshed from Google Patents.
US2964364A
Expired / Lapsed
US
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Pistons for internal combustion engines
Assignee: Individual
•
Filing: 1958-02-06
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Granted: 1960-12-13
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Expires: 1978-02-06
Abstract
No abstract record available.
Inventors
- 👤 William F Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:15
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/10; F16J1/14; F16J1/16; F02; F02F; F02F3/00; F02F3/0015; F02F3/0023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1427930A
Cited
US2017348A
Cited
US1494483A
Cited
US1745860A
Cited
US1752816A
Cited
US2494748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |