US1363049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method or process of operating augers
Assignee: INTERNAT EARTH BORING MACHINE
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Filing: 1919-11-13
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Granted: 1920-12-21
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Expires: 1939-11-13
Abstract
No abstract record available.
Inventors
- 👤 William E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:24
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B7/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-12-21 | 1924-06-21 | 1924-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-21 | 1928-06-21 | 1928-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-21 | 1932-06-21 | 1932-12-21 | $7700.00 | Window Closed / Lapsed |