US2689662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timber-setting mine truck
Assignee: Baker Raulang Co
•
Filing: 1948-09-30
•
Granted: 1954-09-21
•
Expires: 1968-09-30
Abstract
No abstract record available.
Inventors
- 👤 Lehmann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/02; E21D11/03; B; B62; B62D; B62D33/00; B62D33/06; B62D49/00; B62D49/06; B62D49/0692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US923326A
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US1389021A
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US2332546A
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US2321406A
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US2396161A
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US2413096A
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US2408387A
Cited
US2501112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |