US3053577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Materials conveying system
Assignee: SCHICK ENGINEERING Co
•
Filing: 1960-09-29
•
Granted: 1962-09-11
•
Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 William F Ungashick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:04
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/04; B65G53/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1231778A
Cited
US1192858A
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US1882861A
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US2030553A
Cited
US2152632A
Cited
US2681748A
Cited
US2901133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |