US2689636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple loader
Assignee: Emhart Manufacturing Co
•
Filing: 1950-01-09
•
Granted: 1954-09-21
•
Expires: 1970-01-09
Abstract
No abstract record available.
Inventors
- 👤 John F Currivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:48
CPC Classifications
B; B65; B65B; B65B35/00; B65B35/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US334274A
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US1118425A
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US1589079A
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US2053418A
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US2092773A
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US2133248A
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US2335646A
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US2325816A
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US2440866A
Cited
GB629944A
Cited
US2585558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |