US2875703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power and free conveyor system
Assignee: Mechanical Handling Systems Inc
•
Filing: 1956-10-30
•
Granted: 1959-03-03
•
Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Bishop
- 👤 Joel H Barlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
E; E01; E01B; E01B25/00; E01B25/22; E01B25/26; B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1865788A
Cited
US1875966A
Cited
US1917836A
Cited
US2057131A
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US2161388A
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US2318180A
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US2344155A
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US2527244A
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US2635555A
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US2612847A
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US2684039A
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US2688936A
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US2679810A
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US2741190A
Cited
US2782727A
Cited
US2853955A
Cited
US2812724A
Cited
GB742488A
Cited
US2845034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |