US2730247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic lumber stacker
Assignee: LAWSON STACKER CO Inc
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Filing: 1954-10-13
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Granted: 1956-01-10
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Expires: 1974-10-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:23
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/03; B65G57/035; B65G57/06; F; F26; F26B; F26B25/00; F26B25/001; F26B2210/00; F26B2210/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |