US1412469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bit-chuck retainer
Assignee: Ingersoll Rand Co
•
Filing: 1920-11-09
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Granted: 1922-04-11
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Expires: 1940-11-09
Abstract
No abstract record available.
Inventors
- 👤 Francis A Jimerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/11; B23B31/1107; B23B31/1122; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17931; Y10T279/17941; Y10T279/17948; Y10T279/17957; Y10T279/17965; Y10T403/00; Y10T403/36; Y10T403/364; Y10T403/368; Y10T403/57; Y10T403/70; Y10T403/7041
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) | 1925-04-10 | 1925-10-10 | 1926-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-04-10 | 1929-10-10 | 1930-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-04-10 | 1933-10-10 | 1934-04-11 | $7700.00 | Window Closed / Lapsed |