Patent US5022743A successfully refreshed from Google Patents.
US2912892A
Expired / Lapsed
US
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Continuous boring and turning machines
Assignee: Individual
•
Filing: 1955-08-29
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Granted: 1959-11-17
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Hoern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:30
CPC Classifications
B; B23; B23Q; B23Q39/00; B23Q39/04; B23Q39/042; B23Q39/044; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17291; Y10T279/17316; Y10T279/17324; Y10T279/31; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5128; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/25; Y10T82/2524; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 0
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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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |