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Patent US2222207A successfully refreshed from Google Patents.
US2222207A
Expired / Lapsed
US
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Telescoping kelly drive
Assignee: Guiberson Corp
•
Filing: 1937-01-25
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Granted: 1940-11-19
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Expires: 1957-01-25
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Teis
- 👤 William O Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:22
CPC Classifications
E; E21; E21B; E21B3/00; E21B3/02; E21B3/04; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44009; Y10T24/44573; Y10T24/4459; Y10T24/44598; Y10T279/00; Y10T279/19; Y10T279/1986
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) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |