Patent US3229562A successfully refreshed from Google Patents.
US3229562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical alignment instrument
Assignee: Individual
•
Filing: 1960-06-08
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Granted: 1966-01-18
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Expires: 1980-06-08
Abstract
No abstract record available.
Inventors
- 👤 John B Reisinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:29
CPC Classifications
G; G01; G01C; G01C1/00; G01C1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
IN AN OPTICAL INSTRUMENT, A GENERALLY HORIZONTAL TELESCOPE HAVING AN OPTICAL AXIS, A HOUSING, MEANS SECURING SAID TELESCOPE TO AN OPENING IN SAID HOUSING, REFLECTING MEANS IN SAID HOUSING COMPRISING A PAIR OF REFLECTING SURFACES DIVERGING AT SUBSTANTIALLY 90* FROM A COMMON LINE OF INTERSECTION, MEANS ROTATABLY SUPPORTING SAID REFLECTING MEANS FOR ROTATION ON AN AXIS COINCIDENT WITH THE TELESCOPE OPTICAL AXIS AND WITH THE LINE OF INTERSECTION PERPENDICULAR TO THE TELESCOPE OPTICAL AXIS, MEANS FOR POSITIVELY HOLDING SAID REFLECTING MEANS IN EITHER OF TWO POSITIONS
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |