Patent US1782992A successfully refreshed from Google Patents.
US1782992A
Expired / Lapsed
US
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Road grader
Assignee: Individual
•
Filing: 1928-08-13
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Granted: 1930-11-25
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Expires: 1948-08-13
Abstract
No abstract record available.
Inventors
- 👤 Algot F Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:28
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7636; E02F3/7659; E02F3/80; E02F3/84; E02F3/841; Y; Y10; Y10S; Y10S37/00; Y10S37/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-11-24 | 1934-05-26 | 1934-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-11-24 | 1938-05-26 | 1938-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-11-24 | 1942-05-26 | 1942-11-25 | $7700.00 | Window Closed / Lapsed |