US2911892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surfacing machine control means
Assignee: Cedarapids Inc
•
Filing: 1956-02-08
•
Granted: 1959-11-10
•
Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 Harold C Pollitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:01
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4833; E01C19/4853; E01C19/12; E01C19/18; E01C19/182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2785791A
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US2792923A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |