US3319732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine cooling system for tractors
Assignee: Allis Chalmers Corp
•
Filing: 1965-02-12
•
Granted: 1967-05-16
•
Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Soeteber
- 👤 Robert S Reaves
- 👤 William R Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:55
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1081023A
Cited
US1126960A
Cited
GB354424A
Cited
US1964779A
Cited
DE737700C
Cited
US2788775A
Cited
US3112002A
Cited
US3043390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |