US2315414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sucker rod coupling
Assignee: Individual
•
Filing: 1941-07-08
•
Granted: 1943-03-30
•
Expires: 1961-07-08
Abstract
No abstract record available.
Inventors
- 👤 Germany Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:38
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/22; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/046; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/38; Y10T; Y10T24/00; Y10T24/45; Y10T24/49; Y10T403/00; Y10T403/61
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) | 1946-03-29 | 1946-09-28 | 1947-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-29 | 1950-09-28 | 1951-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-29 | 1954-09-28 | 1955-03-30 | $7700.00 | Window Closed / Lapsed |