Patent US2827920A successfully refreshed from Google Patents.
US2827920A
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Pulsator assembly
Assignee: Package Machinery Co
•
Filing: 1950-08-12
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Granted: 1958-03-25
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Expires: 1970-08-12
Abstract
No abstract record available.
Inventors
- 👤 Rawson Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:58
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04; A01J5/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2546; Y10T137/7722; Y10T137/7837; Y10T137/7854; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/8593; Y10T137/86187; Y10T137/86196; Y10T137/9029; Y10T137/9138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US521530A
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US1337462A
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US1638776A
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US1270429A
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US1270473A
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US1506321A
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US1844613A
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US2168207A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |