Patent US1864612A successfully refreshed from Google Patents.
US1864612A
Expired / Lapsed
US
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Road surfacing equipment
Assignee: Individual
•
Filing: 1930-10-04
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Granted: 1932-06-28
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Expires: 1950-10-04
Abstract
No abstract record available.
Inventors
- 👤 George E Pearson
- 👤 Harry E Petrilli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:42
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/205; E01C2019/2055; E01C2019/207; E01C2019/2095
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) | 1935-06-28 | 1935-12-28 | 1936-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-28 | 1939-12-28 | 1940-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-28 | 1943-12-28 | 1944-06-28 | $7700.00 | Window Closed / Lapsed |