US2507596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid injecting device
Assignee: Individual
•
Filing: 1947-05-22
•
Granted: 1950-05-16
•
Expires: 1967-05-22
Abstract
No abstract record available.
Inventors
- 👤 Hodgkins Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:11
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/14; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1119042A
Cited
US1529351A
Cited
US1530464A
Cited
US1604702A
Cited
US1803097A
Cited
US1889584A
Cited
US2445479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |