US2881901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic conveyor
Assignee: HOMER MANUFACTURING Co Inc
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Filing: 1956-06-13
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Granted: 1959-04-14
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Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Harold C Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:23
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/20; B65G21/2009; B65G21/2018; B65G39/00; B65G39/02; B65G39/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306778A
Cited
US420334A
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US422732A
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US463305A
Cited
US1773646A
Cited
US2380550A
Cited
US2642174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |