Patent US3369220A successfully refreshed from Google Patents.
Patent US2568559A successfully refreshed from Google Patents.
US2568559A
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US
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Control mechanism for compasses and calipers
Assignee: Individual
•
Filing: 1945-02-24
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Granted: 1951-09-18
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Expires: 1965-02-24
Abstract
No abstract record available.
Inventors
- 👤 George V Nolde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:23
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/22; G01B3/24; B; B43; B43L; B43L9/00; B43L9/16; B43L9/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19051; Y10T74/19056; Y10T74/19614; Y10T74/19642; Y10T74/1967; Y10T74/19698; Y10T74/19828; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20654
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |