US3531001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lumber sorting and stacking apparatus
Assignee: Coe Manufacturing Co
•
Filing: 1968-11-12
•
Granted: 1970-09-29
•
Expires: 1988-11-12
Abstract
No abstract record available.
Inventors
- 👤 Sidney L Lunden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:11
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1490594A
Cited
US2065673A
Cited
US3080052A
Cited
US3130839A
Cited
US3257006A
Cited
US3393812A
Cited
US3361272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |