US2652750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling fixture
Assignee: IRWIN AUGER BIT Co
•
Filing: 1949-02-17
•
Granted: 1953-09-22
•
Expires: 1969-02-17
Abstract
No abstract record available.
Inventors
- 👤 Richard C Lacy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:45
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/28; B23C3/32; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/300056; Y10T409/300672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1004619A
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US994386A
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US1224945A
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US1454181A
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US1598703A
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US1684310A
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US1843345A
Cited
US2405522A
Cited
US2405485A
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US2501281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |