US2611290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of turning work
Assignee: Bullard Co
•
Filing: 1946-05-08
•
Granted: 1952-09-23
•
Expires: 1966-05-08
Abstract
No abstract record available.
Inventors
- 👤 Edward P Bullard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:42
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/30; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5168; Y10T29/5173; Y10T82/00; Y10T82/10; Y10T82/25; Y10T82/2524; Y10T82/2531; Y10T82/2541; Y10T82/2543
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1790943A
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US1118875A
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US1188667A
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GB114529A
Cited
US1527791A
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US1804971A
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US2165646A
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US2351892A
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US2351921A
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US2384809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |