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US1433881A
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Drawn-steel feed collet and method of making the same
Assignee: Devlieg Bullard Inc
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Filing: 1920-12-18
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Granted: 1922-10-31
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Expires: 1940-12-18
Abstract
No abstract record available.
Inventors
- 👤 Charles J Fancher
- 👤 Robert A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:48
CPC Classifications
B; B21; B21D; B21D53/00; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17119
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) | 1925-10-30 | 1926-05-01 | 1926-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-30 | 1930-05-01 | 1930-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-30 | 1934-05-01 | 1934-10-31 | $7700.00 | Window Closed / Lapsed |