Patent US2507355A successfully refreshed from Google Patents.
US2507355A
Expired / Lapsed
US
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Filter for injectors for combustion engines
Assignee: Individual
•
Filing: 1947-01-14
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Granted: 1950-05-09
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Expires: 1967-01-14
Abstract
No abstract record available.
Inventors
- 👤 Sola Giuseppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:15
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/16; F02M61/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1459925A
Cited
US1802423A
Cited
US1835047A
Cited
FR703506A
Cited
FR696574A
Cited
US1964218A
Cited
US2067131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |