US2948558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slack adjuster
Assignee: Midland Ross Corp
•
Filing: 1957-08-09
•
Granted: 1960-08-09
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Forrest O E Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:49
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/42; F16D65/50; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32418; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/20882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US834110A
Cited
US907053A
Cited
GB128701A
Cited
US1449273A
Cited
GB209161A
Cited
US1834530A
Cited
US1798936A
Cited
US1860770A
Cited
US2068120A
Cited
US2385622A
Cited
US2631472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |