US2957332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing, mixing and like machinery
Assignee: Individual
•
Filing: 1957-12-24
•
Granted: 1960-10-25
•
Expires: 1977-12-24
Abstract
No abstract record available.
Inventors
- 👤 Coop Norman Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:38
CPC Classifications
D; D06; D06F; D06F17/00; D06F17/04; D06B; D06B5/00; D06B2700/00; D06B2700/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US571758A
Cited
DE492058C
Cited
US1850124A
Cited
US2227926A
Cited
US2322743A
Cited
GB781752A
Cited
US2711641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |