Patent US2639072A successfully refreshed from Google Patents.
US2639072A
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US
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Filling machine having vertically reciprocable tamping arms and plunger
Assignee: Individual
•
Filing: 1948-10-01
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Granted: 1953-05-19
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Expires: 1968-10-01
Abstract
No abstract record available.
Inventors
- 👤 Robert J Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:15
CPC Classifications
B; B65; B65B; B65B37/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US279746A
Cited
US829288A
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US691537A
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US872161A
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US983351A
Cited
US1255377A
Cited
US1366615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |