US3443400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal coupling,preferably for rolling mills
Assignee: Morgardshammar AB
•
Filing: 1967-02-14
•
Granted: 1969-05-13
•
Expires: 1987-02-14
Abstract
No abstract record available.
Inventors
- 👤 Karl Olof Adolf Polhall
- 👤 Rolf Torsten Hermansson
- 👤 Roy Erik Tore Olsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:59
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/265; B; B21; B21B; B21B35/00; B21B35/14; B21B35/142; B21B35/143; B21B35/145; B21B35/146; F16D3/18; F16D3/185
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) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |