Patent US2634703A successfully refreshed from Google Patents.
US2634703A
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Apparatus for processing interior surfaces of tubular articles and the like
Assignee: Rheem Manufacturing Co
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Filing: 1950-09-20
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Granted: 1953-04-14
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Expires: 1970-09-20
Abstract
No abstract record available.
Inventors
- 👤 Stanley S Johns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/06; B05B13/0618; B05B13/0609; B05B7/00; B05B7/16; B05B7/20; B05B7/201; B05B7/205; Y; Y10; Y10S; Y10S118/00; Y10S118/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1460088A
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US1441484A
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US1586263A
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US2166598A
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US2181319A
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US2305387A
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US2511474A
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US2512542A
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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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |