US2754574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for disassembling a hydraulic valve lifter
Assignee: Individual
•
Filing: 1952-12-11
•
Granted: 1956-07-17
•
Expires: 1972-12-11
Abstract
No abstract record available.
Inventors
- 👤 Charles B Clarke
- 👤 Edwards Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:13
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/24; B25B27/26; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602916A
Cited
US1685408A
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US1661602A
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US2252036A
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US2421276A
Cited
US2439692A
Cited
US2553861A
Cited
US2671262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |