US2861437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision coupling device
Assignee: Sterling Precision Corp
•
Filing: 1957-10-25
•
Granted: 1958-11-25
•
Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Rudolph E Bachman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:30
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; F16D3/16; F16D3/18; F16D3/185; F16D3/50; F16D3/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2441038A
Cited
US2558158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |