US2590430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic master cylinder
Assignee: Individual
•
Filing: 1951-02-16
•
Granted: 1952-03-25
•
Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
- 👤 John T Risse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:17
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/028; F15B11/032; F15B11/0325; B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/224; F15B7/00; F15B7/06; F15B7/08; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/214
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US763833A
Cited
US2102834A
Cited
US1985588A
Cited
US2106304A
Cited
US2373679A
Cited
US2531705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |