US2682860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fixture clamp for sealing cylinder head openings while the head is being coated
Assignee: International Motors LLC
•
Filing: 1953-08-19
•
Granted: 1954-07-06
•
Expires: 1973-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ruehl Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:31
CPC Classifications
F; F02; F02B; F02B77/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1019532A
Cited
US1187746A
Cited
US1571958A
Cited
US1751140A
Cited
US2106701A
Cited
FR912306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |