US2814868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butter spreader
Assignee: Individual
•
Filing: 1953-06-11
•
Granted: 1957-12-03
•
Expires: 1973-06-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Wellinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:21
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/30; A47G19/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US433546A
Cited
US1494018A
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CH124313A
Cited
US1781973A
Cited
US1834555A
Cited
US2527149A
Cited
US2606364A
Cited
US2556092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |