US3066924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auger type mining machines
Assignee: Individual
•
Filing: 1953-09-22
•
Granted: 1962-12-04
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Queer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:25
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE512542A
Cited
US355284A
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US1336440A
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US748530A
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US966377A
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US966378A
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US1006213A
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US1032902A
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US1160660A
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DE322894C
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GB177813A
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US1653111A
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FR560813A
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US1726438A
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US2165666A
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GB647870A
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US2592996A
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US2575975A
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US2616677A
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US2702180A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |