Patent US2417170A successfully refreshed from Google Patents.
US2417170A
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Single driven-shaft combined boring and reciprocable-saw machine
Assignee: Individual
•
Filing: 1944-07-07
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Granted: 1947-03-11
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Expires: 1964-07-07
Abstract
No abstract record available.
Inventors
- 👤 Langfelder Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:47
CPC Classifications
B; B23; B23D; B23D49/00; B23D49/08; B23D61/00; B23D61/12; B23D61/128; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T408/00; Y10T408/31; Y10T408/33; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18056; Y10T74/18208; Y10T74/19; Y10T74/19219
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US198426A
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US237912A
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US257309A
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US310563A
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US403031A
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US505712A
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US1240173A
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US1567341A
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GB384937A
Cited
US2052600A
Cited
US2101583A
Cited
US2238578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-10 | 1950-09-09 | 1951-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-10 | 1954-09-09 | 1955-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-10 | 1958-09-09 | 1959-03-11 | $7700.00 | Window Closed / Lapsed |