US3022757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank head dishing mechanism
Assignee: Individual
•
Filing: 1960-04-22
•
Granted: 1962-02-27
•
Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Carroli C Clough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:47
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/021; B21D26/025; B21D26/027; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US67719A
Cited
CA55569A
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US835100A
Cited
US909342A
Cited
US1013046A
Cited
US1982711A
Cited
US1969736A
Cited
US2123552A
Cited
US2754574A
Cited
US2720691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |