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Patent US2667014A successfully refreshed from Google Patents.
US2667014A
Expired / Lapsed
US
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Wet blasting apparatus
Assignee: Individual
•
Filing: 1951-06-29
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Granted: 1954-01-26
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Wiltie I Gladfelter
- 👤 Charles P Croft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:28
CPC Classifications
B; B24; B24C; B24C9/00; B24C9/006; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599957A
Cited
US1519250A
Cited
US1907411A
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US1966571A
Cited
US2086653A
Cited
US2200587A
Cited
US2393596A
Cited
US2462480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |