US2506641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated gear and method of making the same
Assignee: LAKESIDE BRIDGE AND STEEL Co
•
Filing: 1946-07-27
•
Granted: 1950-05-09
•
Expires: 1966-07-27
Abstract
No abstract record available.
Inventors
- 👤 Burt E Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:31
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; B; B21; B21D; B21D53/00; B21D53/26; B21D53/268; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19935
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) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |