Patent US3487955A successfully refreshed from Google Patents.
US3487955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hay bale stacker
Assignee: Individual
•
Filing: 1967-08-22
•
Granted: 1970-01-06
•
Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:15
CPC Classifications
A; A01; A01D; A01D85/00; A01D85/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2848127A
Cited
US3070240A
Cited
US3157295A
Cited
US3260380A
Cited
US3297174A
Cited
US3303943A
Cited
US3384249A
Cited
US3272352A
Cited
US3373882A
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 |