US2839651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating rubber-covered conveyor belts
Assignee: Goodrich Corp
•
Filing: 1954-01-14
•
Granted: 1958-06-17
•
Expires: 1974-01-14
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:54
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/20; Y; Y10; Y10S; Y10S198/00; Y10S198/952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114833A
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US2301589A
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US2390572A
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US2430024A
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US2621528A
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US2423902A
Cited
US2463288A
Cited
US2593284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |