Patent US1213692A successfully refreshed from Google Patents.
US1213692A
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Bearing for gyroscopic apparatus.
Assignee: FRANK G CARRIE
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Filing: 1912-05-06
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Granted: 1917-01-23
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Expires: 1932-05-06
Abstract
No abstract record available.
Inventors
- 👤 George A Rossiter
- 👤 Edward A Thorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:26
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; G01C19/24; Y; Y10; Y10T; Y10T74/00; Y10T74/12
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) | 1920-01-23 | 1920-07-24 | 1921-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-23 | 1924-07-24 | 1925-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-23 | 1928-07-24 | 1929-01-23 | $7700.00 | Window Closed / Lapsed |