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Patent US1545985A successfully refreshed from Google Patents.
US1545985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road grader
Assignee: Individual
•
Filing: 1921-06-02
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Granted: 1925-07-14
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Expires: 1941-06-02
Abstract
No abstract record available.
Inventors
- 👤 Charles E Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:06
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/08; E02F3/087
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) | 1928-07-13 | 1929-01-12 | 1929-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-13 | 1933-01-12 | 1933-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-13 | 1937-01-12 | 1937-07-14 | $7700.00 | Window Closed / Lapsed |