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Patent US2795028A successfully refreshed from Google Patents.
US2795028A
Expired / Lapsed
US
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Method for making clay pipe or the like
Assignee: PEARNE & LACY MACHINE COMPANY INC A CORP OF N C
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Filing: 1957-01-16
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Granted: 1957-06-11
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Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 John D Rossier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:00
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/90; B28B21/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1978420A
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US2010820A
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US2391424A
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US2630613A
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US2642643A
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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) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |