US3148787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy duty multi-purpose loader bucket
Assignee: Caterpillar Inc
•
Filing: 1962-06-29
•
Granted: 1964-09-15
•
Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Murl W Clark
- 👤 Karl L Mason
- 👤 Wayne E Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:34
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/413; E02F3/4133; E02F3/402; E02F3/404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2489629A
Cited
US2776768A
Cited
US2952084A
Cited
US2886194A
Cited
US3034821A
Cited
US3077999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |