Patent US2880618A successfully refreshed from Google Patents.
US2880618A
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US
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Quick erecting means for gyro verticals
Assignee: Unisys Corp
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Filing: 1957-09-27
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Granted: 1959-04-07
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Expires: 1977-09-27
Abstract
No abstract record available.
Inventors
- 👤 John M Jessup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:22
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; G01C19/46; G01C19/48; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1254; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20714; Y10T74/2072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2446180A
Cited
US2716894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |