US2632560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer roll assembly
Assignee: Jeffrey Manufacturing Co
•
Filing: 1950-06-06
•
Granted: 1953-03-24
•
Expires: 1970-06-06
Abstract
No abstract record available.
Inventors
- 👤 Fred J Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:37
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052900A
Cited
US2169623A
Cited
US2230744A
Cited
US2271166A
Cited
US2282589A
Cited
US2439269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |