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Patent US3446368A successfully refreshed from Google Patents.
US3446368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material transferring apparatus
Assignee: Individual
•
Filing: 1966-12-01
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Granted: 1969-05-27
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Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Victor R Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:08
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/063; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1556695A
Cited
US1569033A
Cited
US2784852A
Cited
US2930493A
Cited
US3130839A
Cited
US3169646A
Cited
US3195739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |