US2821301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lumber sorting machine
Assignee: B L MONTAGUE Co Inc
•
Filing: 1954-09-15
•
Granted: 1958-01-28
•
Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 Bert L Montague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:03
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US103677A
Cited
DE886720C
Cited
US674455A
Cited
US707951A
Cited
US1154814A
Cited
US1112727A
Cited
US1298510A
Cited
US1986427A
Cited
US2369557A
Cited
US2600147A
Cited
US2722247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |