Patent US3536222A successfully refreshed from Google Patents.
US3536222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bucket attachment for compact tractors
Assignee: WILFORD V PATNODE
•
Filing: 1968-04-22
•
Granted: 1970-10-27
•
Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Wilford V Patnode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:48
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/065; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/3604
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |