US3489130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston and cylinder construction
Assignee: Navistar International Corp
•
Filing: 1968-01-10
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Granted: 1970-01-13
•
Expires: 1988-01-10
Abstract
No abstract record available.
Inventors
- 👤 Harry L Polidan
- 👤 Norman M Packard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:01
CPC Classifications
F; F16; F16J; F16J9/00; F02; F02B; F02B77/00; F02B77/04; F16J10/00; F02B3/00; F02B3/06; F02F; F02F1/00; F02F2001/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR828583A
Cited
US2170477A
Cited
GB566547A
Cited
US2452239A
Cited
US2624328A
Cited
US2845917A
Cited
US3149409A
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 |