US2687830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed roller attachment for butter print machinery and the like
Assignee: Individual
•
Filing: 1949-03-25
•
Granted: 1954-08-31
•
Expires: 1969-03-25
Abstract
No abstract record available.
Inventors
- 👤 Henry H Doering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:05
CPC Classifications
A; A01; A01J; A01J21/00; A01J21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303356A
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US721732A
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US818396A
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US999295A
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US1045184A
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US1570031A
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US1683873A
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US1812911A
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US1948021A
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US2127726A
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US2321188A
Cited
US2481690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |