US3039455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of rollers heated by internal combustion
Assignee: Individual
•
Filing: 1957-05-31
•
Granted: 1962-06-19
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Ronald D Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:56
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/238; E01H; E01H5/00; E01H5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |