Patent US1684971A successfully refreshed from Google Patents.
US1684971A
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Measuring apparatus for paving machines
Assignee: THORMAN W ROSHOLT Co
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Filing: 1927-10-31
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Granted: 1928-09-18
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Expires: 1947-10-31
Abstract
No abstract record available.
Inventors
- 👤 Thorman W Rosholt
- 👤 Cederstrom Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:10
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/12; B28C7/122; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3099; Y10T137/8593; Y10T137/86236; Y10T137/87056
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) | 1931-09-18 | 1932-03-19 | 1932-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-18 | 1936-03-19 | 1936-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-18 | 1940-03-19 | 1940-09-18 | $7700.00 | Window Closed / Lapsed |