US2913922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioning device
Assignee: International Business Machines Corp
•
Filing: 1957-11-27
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Granted: 1959-11-24
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Expires: 1977-11-27
Abstract
No abstract record available.
Inventors
- 👤 John M Harker
- 👤 John J Lynott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:37
CPC Classifications
G; G06; G06K; G06K21/00; F; F16; F16C; F16C1/00; F16C1/10; Y; Y10; Y10S; Y10S221/00; Y10S221/01; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20396; Y10T74/20402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |