US3478541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller bearing splines
Assignee: Individual
•
Filing: 1968-01-08
•
Granted: 1969-11-18
•
Expires: 1988-01-08
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Mcgill
- 👤 Alfred T Mcgill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:50
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0692; F16C29/0678; F16D; F16D3/00; F16D3/02; F16D3/06; F16D3/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1690714A
Cited
US2225929A
Cited
GB513421A
Cited
GB679843A
Cited
US2979147A
Cited
US3203202A
Cited
US3279218A
Cited
US3360308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |