Patent US2552998A successfully refreshed from Google Patents.
US2552998A
Expired / Lapsed
US
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Machine for refacing pipe fittings
Assignee: Individual
•
Filing: 1946-08-02
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Granted: 1951-05-15
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Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond P Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:43
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587; Y10T408/561; Y10T408/5626; Y10T408/5627; Y10T408/56275; Y10T408/564; Y10T408/5647; Y10T408/65; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/18; Y10T74/18056; Y10T74/18232; Y10T74/1824
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE24480C
Cited
GB190908038A
Cited
US1846340A
Cited
US2106201A
Cited
US2211183A
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US2345349A
Cited
US2289631A
Cited
US2416228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |