Patent US3292158A successfully refreshed from Google Patents.
US3206853A
Expired / Lapsed
US
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Spherical seat type level
Assignee: Nikon Corp
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Filing: 1962-03-09
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Granted: 1965-09-21
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Esumi Haruo
- 👤 Handa Akio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:20
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/12; F16M11/14; G; G01; G01C; G01C5/00; F16M2200/00; F16M2200/02; F16M2200/021; F16M2200/022
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |