US3489435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel line fitting
Assignee: Caterpillar Inc
•
Filing: 1968-02-07
•
Granted: 1970-01-13
•
Expires: 1988-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert L Weber
- 👤 George E Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:27
CPC Classifications
F; F02; F02M; F02M55/00; F02M55/004; F02M55/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2181002A
Cited
US2210088A
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US2349081A
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US2366010A
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US2429765A
Cited
US2453391A
Cited
US2793830A
Cited
GB836825A
Cited
US3377087A
Cited
US3402703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |