US3399549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backlash-free spline joint
Assignee: Boeing North American Inc
•
Filing: 1967-01-03
•
Granted: 1968-09-03
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Nagele Francis Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:12
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; F16D1/00; F16D1/10; F16D2001/103; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7035; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19898
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |