US2692067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer apparatus
Assignee: HANNAH JANE HAPMAN
•
Filing: 1949-06-06
•
Granted: 1954-10-19
•
Expires: 1969-06-06
Abstract
No abstract record available.
Inventors
- 👤 Henry W Hapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; B; B01; B01J; B01J4/00; B01J4/001; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1044082A
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US2120003A
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US2331724A
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US2456760A
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US2508195A
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US2428995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |