US3062568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety screw thread arrangement
Assignee: Individual
•
Filing: 1959-10-20
•
Granted: 1962-11-06
•
Expires: 1979-10-20
Abstract
No abstract record available.
Inventors
- 👤 Alf S Andresen
- 👤 Richard R Gearing
- 👤 Julius S Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:43
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/001; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/043; F16B; F16B37/00; F16B37/12; F16L15/006; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5746
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US534164A
Cited
US1456177A
Cited
US2418418A
Cited
US2469074A
Cited
US2631871A
Cited
US2816782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |