Patent US3050810A successfully refreshed from Google Patents.
US3050810A
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Method and machine for cutting tile pipe
Assignee: MARTIN MARIETTA Co
•
Filing: 1957-03-15
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Granted: 1962-08-28
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Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Henry E Lindbloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:40
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/92; B28B11/00; B28B11/12; B28B21/70; B28B21/74; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE53948C
Cited
US300909A
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US744363A
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US877151A
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US899980A
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FR620260A
Cited
US1834970A
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US1828462A
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US1880872A
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US2644217A
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US2712169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |