Patent US2458897A successfully refreshed from Google Patents.
US2491379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat post cluster structure for bicycles
Assignee: Murray Ohio Manufacturing Co
•
Filing: 1947-03-12
•
Granted: 1949-12-13
•
Expires: 1967-03-12
Abstract
No abstract record available.
Inventors
- 👤 Herman L Kraeft
- 👤 Leonard J Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:10
CPC Classifications
B; B62; B62K; B62K19/00; B62K19/18; B62K3/00; B62K3/02; B62K3/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49945; Y10T403/00; Y10T403/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US548165A
Cited
US571289A
Cited
US590307A
Cited
US623495A
Cited
US736527A
Cited
US1480777A
Cited
GB425133A
Cited
US2253857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |