US1547759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool joint
Assignee: Individual
•
Filing: 1921-05-28
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Granted: 1925-07-28
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Expires: 1941-05-28
Abstract
No abstract record available.
Inventors
- 👤 William O Journeay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:50
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/046; E21B17/0465; Y; Y10; Y10S; Y10S285/00; Y10S285/922; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/961; Y10T; Y10T279/00; Y10T279/17; Y10T279/17931; Y10T279/17941; Y10T292/00; Y10T292/08; Y10T292/0886; Y10T292/0887; Y10T292/0891; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5593
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) | 1928-07-27 | 1929-01-26 | 1929-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-27 | 1933-01-26 | 1933-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-27 | 1937-01-26 | 1937-07-28 | $7700.00 | Window Closed / Lapsed |