US3517676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quench apparatus for providing pulsating and sweeping flow of quench fluid
Assignee: Caterpillar Inc
•
Filing: 1967-10-25
•
Granted: 1970-06-30
•
Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Byron Paddock Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:27
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/63; C21D1/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1899495A
Cited
US2264301A
Cited
US2625945A
Cited
US2867226A
Cited
US2947312A
Cited
US3007478A
Cited
FR1292518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |