US2491651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for container handling machines
Assignee: Pneumatic Scale Corp
•
Filing: 1945-10-05
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Granted: 1949-12-20
•
Expires: 1965-10-05
Abstract
No abstract record available.
Inventors
- 👤 Everett Arthur Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:29
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/007; B67C3/02; B67C3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848827A
Cited
US1568082A
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US1963083A
Cited
US2097076A
Cited
US2082048A
Cited
US2246582A
Cited
US2354308A
Cited
US2368738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |