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US3369306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyors
Assignee: Singer-Cobble Ltd
•
Filing: 1966-03-28
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Granted: 1968-02-20
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Evans Raymond Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:13
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/20; B65G21/22; B65G17/00; B65G17/06; B65G17/063; B65G37/00; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US835843A
Cited
US1676481A
Cited
US2731160A
Cited
US2838420A
Cited
US3161155A
Cited
US3197030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |