US2553119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake set control
Assignee: Individual
•
Filing: 1948-10-19
•
Granted: 1951-05-15
•
Expires: 1968-10-19
Abstract
No abstract record available.
Inventors
- 👤 Richard H Sprick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:34
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/12; G05G5/20; G05G5/24; B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20714
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US251672A
Cited
US322585A
Cited
US691724A
Cited
US905135A
Cited
US948246A
Cited
US1218028A
Cited
US1418619A
Cited
US1507873A
Cited
US2108666A
Cited
US2202585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |