US1714899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill-tool connection
Assignee: Individual
•
Filing: 1927-09-14
•
Granted: 1929-05-28
•
Expires: 1947-09-14
Abstract
No abstract record available.
Inventors
- 👤 Archibald R Butts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:28
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/043; F; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/73; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17931; Y10T279/17941
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) | 1932-05-27 | 1932-11-26 | 1933-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-27 | 1936-11-26 | 1937-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-27 | 1940-11-26 | 1941-05-28 | $7700.00 | Window Closed / Lapsed |