US3451674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ergometer
Assignee: Cykelfabriken Fram AB
•
Filing: 1965-12-20
•
Granted: 1969-06-24
•
Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Claes Erik Gunnar Lundgren
- 👤 Istvan Janos Anta Lichtneckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
F; F16; F16D; F16D51/00; F16D51/10; A; A61; A61B; A61B5/00; A61B5/22; A61B5/221; A63; A63B; A63B21/00; A63B21/22; A63B21/225; A63B22/00; A63B22/06; A63B22/0605; A63B22/0694; A63B2220/00; A63B2220/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US217030A
Cited
US603363A
Cited
US1315875A
Cited
US988464A
Cited
US2181359A
Cited
US2196360A
Cited
US2504007A
Cited
US2668709A
Cited
DE863469C
Cited
US2725231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |