US2147343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction joint
Assignee: EIDCO Inc
•
Filing: 1937-11-05
•
Granted: 1939-02-14
•
Expires: 1957-11-05
Abstract
No abstract record available.
Inventors
- 👤 Hokansom Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/005; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; F16B4/00; F16B4/004; Y; Y10; Y10S; Y10S285/00; Y10S285/916; Y10S411/00; Y10S411/924; Y10S411/929; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T29/49945; Y10T403/00; Y10T403/49; Y10T403/4983; Y10T403/70
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) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |