Patent US2427129A successfully refreshed from Google Patents.
US2427129A
Expired / Lapsed
US
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Exterior pipe surface brushing machine
Assignee: Individual
•
Filing: 1943-07-10
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Granted: 1947-09-09
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Expires: 1963-07-10
Abstract
No abstract record available.
Inventors
- 👤 Fields Donald Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:51
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1176452A
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US1263836A
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US1217417A
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US1717345A
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US1898964A
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US2064577A
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US2193971A
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US2307449A
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US2302196A
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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) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |