US3034665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor system
Assignee: SPEAKER SORTATION SYSTEMS Inc
•
Filing: 1958-05-22
•
Granted: 1962-05-15
•
Expires: 1978-05-22
Abstract
No abstract record available.
Inventors
- 👤 Richard L Speaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:41
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/94; B65G47/96; B65G47/962; B65G47/34; B65G47/46; B65G47/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1911525A
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US1871054A
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US2193076A
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US2227778A
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US2344596A
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US2431174A
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US2497874A
Cited
US2667260A
Cited
US2737288A
Cited
US2833427A
Cited
US2717086A
Cited
US2848102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |