US2554701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of articles to remove some of the outside material therefrom or to polish the same
Assignee: DOEHLER JARVIS CORP
•
Filing: 1947-03-04
•
Granted: 1951-05-29
•
Expires: 1967-03-04
Abstract
No abstract record available.
Inventors
- 👤 John C Hackett
- 👤 Stanley H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:09
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/06; Y; Y10; Y10S; Y10S29/00; Y10S29/046; Y10S451/00; Y10S451/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US149534A
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US1304810A
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US1310071A
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US1644512A
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US1977516A
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US2070944A
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US2271743A
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US2316586A
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GB548960A
Cited
US2460918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |