US3489249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial lift truck
Assignee: Crown Equipment Corp
•
Filing: 1967-12-22
•
Granted: 1970-01-13
•
Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Harold A Stammen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:28
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2399632A
Cited
US2634587A
Cited
US2788863A
Cited
US2991847A
Cited
US2821264A
Cited
US2804174A
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 |