US2691341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lumber marking apparatus
Assignee: M&M Wood Working Co
•
Filing: 1950-10-16
•
Granted: 1954-10-12
•
Expires: 1970-10-16
Abstract
No abstract record available.
Inventors
- 👤 Ivan A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:40
CPC Classifications
B; B41; B41F; B41F17/00; B41F17/24; B41F17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1032378A
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US985479A
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US1033824A
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US1025258A
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US1287887A
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US1383552A
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US1889967A
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US2186788A
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US2168431A
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US2234583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |