US3003652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Front loading tractor shovel
Assignee: Henry Manufacturing Co Inc
•
Filing: 1958-06-06
•
Granted: 1961-10-10
•
Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Albert R Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:09
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2260539A
Cited
US2537010A
Cited
US2568702A
Cited
US2619243A
Cited
FR1124133A
Cited
US2811265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |