Patent US2222313A successfully refreshed from Google Patents.
US2222313A
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Offsetting arrangement for boring tools and the like
Assignee: Heald Machine Co
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Filing: 1937-05-14
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Granted: 1940-11-19
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Expires: 1957-05-14
Abstract
No abstract record available.
Inventors
- 👤 Richard A Heald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:48
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/70; B23B; B23B29/00; B23B29/03; B23B29/034; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/859; Y10T408/86; Y10T408/865; Y10T82/00; Y10T82/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |