US2853955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor system
Assignee: Mechanical Handling Systems Inc
•
Filing: 1952-09-22
•
Granted: 1958-09-30
•
Expires: 1972-09-22
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Bishop
- 👤 Klamp Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:28
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1865788A
Cited
US1760077A
Cited
US1875966A
Cited
US2116430A
Cited
US2201013A
Cited
US2362043A
Cited
US2688935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |