Patent US1584841A successfully refreshed from Google Patents.
US2818628A
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Method and apparatus for forming holes in ceramic ware
Assignee: Individual
•
Filing: 1954-06-17
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Granted: 1958-01-07
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Expires: 1974-06-17
Abstract
No abstract record available.
Inventors
- 👤 Richard E Steele
- 👤 Andrew R Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:46
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0061; B28B1/00; B28B1/48; B28B7/34; B28B7/344; Y; Y10; Y10S; Y10S425/00; Y10S425/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1740757A
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DE569118C
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US2169891A
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US2177461A
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US2360337A
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US2627641A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |