US2599489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve adjusting tool
Assignee: Individual
•
Filing: 1951-09-29
•
Granted: 1952-06-03
•
Expires: 1971-09-29
Abstract
No abstract record available.
Inventors
- 👤 Paul E Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:58
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/488; B25B23/00; F; F01; F01L; F01L1/00; F01L1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1544520A
Cited
US1607929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |