US3437215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lumber stacker
Assignee: Coe Manufacturing Co
•
Filing: 1966-01-05
•
Granted: 1969-04-08
•
Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Sidney L Lunden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:51
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US831217A
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US1556695A
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US2234991A
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DE892428C
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US2730247A
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DE1108145B
Cited
US2915202A
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FR1286465A
Cited
US3130839A
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US3169646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |