Patent US3487771A successfully refreshed from Google Patents.
US3487771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baler
Assignee: Unisys Corp
•
Filing: 1967-05-04
•
Granted: 1970-01-06
•
Expires: 1987-05-04
Abstract
No abstract record available.
Inventors
- 👤 Jack W Crane
- 👤 James R Burkholder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:57
CPC Classifications
A; A01; A01F; A01F15/00; A01F15/08; A01F15/10; A01F15/101; B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/301; A01F2015/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US594008A
Cited
CA650785A
Cited
US1285895A
Cited
US2158745A
Cited
US2393130A
Cited
US2646745A
Cited
US2772628A
Cited
US2938451A
Cited
US3266096A
Cited
US3408927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |