US3526329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bucket attachment for wheel loaders
Assignee: Caterpillar Inc
•
Filing: 1967-09-26
•
Granted: 1970-09-01
•
Expires: 1987-09-26
Abstract
No abstract record available.
Inventors
- 👤 Norman L Anderson
- 👤 Howard B Austin
- 👤 Dorrance Oldenburg
- 👤 Jacob E Staab
- 👤 Robert N Stedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:42
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/08; E02F9/0841; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405; E02F3/3408; E02F3/3411; E02F3/96; E02F3/961; E02F9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2663266A
Cited
US2718318A
Cited
US2890805A
Cited
US2874489A
Cited
US3129832A
Cited
US3047170A
Cited
US3349932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |