US3416419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem roller
Assignee: Hyster Co
•
Filing: 1967-08-07
•
Granted: 1968-12-17
•
Expires: 1987-08-07
Abstract
No abstract record available.
Inventors
- 👤 Donald D Kronholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:30
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/238; E01C19/26; E01C2301/00; E01C2301/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2549182A
Cited
US2639652A
Cited
US3009401A
Cited
US3183804A
Cited
US3303762A
Cited
US3256789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |