US3022060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorber for road graders
Assignee: Individual
•
Filing: 1957-11-06
•
Granted: 1962-02-20
•
Expires: 1977-11-06
Abstract
No abstract record available.
Inventors
- 👤 Fred E Cook
- 👤 Lester S Vegors
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:17
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8157; F; F16; F16F; F16F13/00; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US428215A
Cited
US1764811A
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US1891340A
Cited
US1891977A
Cited
US2006384A
Cited
GB422686A
Cited
US2076626A
Cited
US2562595A
Cited
DE938352C
Cited
US2851904A
Cited
US2908491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |