Patent US1871528A successfully refreshed from Google Patents.
US1871528A
Expired / Lapsed
US
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Flexible shaft and casing assembly
Assignee: SS White Dental Manufacturing Co
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Filing: 1930-01-17
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Granted: 1932-08-16
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Expires: 1950-01-17
Abstract
No abstract record available.
Inventors
- 👤 Emmet A Joline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:58
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/02; F16C1/08; F16C2370/00; Y; Y10; Y10S; Y10S464/00; Y10S464/901
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) | 1935-08-16 | 1936-02-15 | 1936-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-16 | 1940-02-15 | 1940-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-16 | 1944-02-15 | 1944-08-16 | $7700.00 | Window Closed / Lapsed |