US2535320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool joint
Assignee: Chicago Pneumatic Tool Co LLC
•
Filing: 1944-04-07
•
Granted: 1950-12-26
•
Expires: 1964-04-07
Abstract
No abstract record available.
Inventors
- 👤 Richardson Julius Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:50
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/004; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US129691A
Cited
US347060A
Cited
US414686A
Cited
US1332888A
Cited
US1265706A
Cited
US1594579A
Cited
US1857912A
Cited
US2054118A
Cited
US2181343A
Cited
US2294289A
Cited
US2315357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |