Patent US2914994A successfully refreshed from Google Patents.
US2914994A
Expired / Lapsed
US
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Screed compensating and adjusting means
Assignee: Cedarapids Inc
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Filing: 1957-03-18
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Granted: 1959-12-01
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Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 Harold C Pollitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:41
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4833; E01C19/4853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750443A
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US1987398A
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US1995450A
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US2054263A
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US2092458A
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US2224084A
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US2271333A
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US2351593A
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US2693136A
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US2757588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |