US3588249A
Expired / Lapsed
US
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Laser beam survey apparatus
Assignee: ROBERT H STUDEBAKER
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Filing: 1968-06-17
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Granted: 1971-06-28
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Expires: 1988-06-17
Abstract
Abstract THIS INVENTION RELATES TO A DEVICE FOR SUPPORTING AND ROTATING A LASER BEAM IN ESTABLISHING A SURVEY REFERENCE PLANE WITH EXACTING ACCURACY. THE DEVICE COMPRISES A HOLLOW HOUSING IN THE CAVITY OF WHICH A LASER BEAM GENERATOR IS CONTAINED WITH THE LASER BEAM PROJECTING OUT AN OPEN END OF THE HOUSING CAVITY, THE HOUSING BEING SUPPORTED FOR ADJUSTMENT WITH REFERENCE TO A UNITARY BEAM DEFLECTING DEVICE HAVING MULTIPLE REFLECTING SURFACES THAT DEFLECT THE REFLECTED BEAM AT A FIXED ANGLE RELATIVE TO THE INCOMING BEAM ROTATABLY MOUNTED ON THE OPEN END OF THE HOUSING FOR COMOVEMENT THEREWITH, THE DEFLECTING DEVICE BEING ROTATED AS A UNIT SUBSTANTIALLY ABOUT THE AXIS OF THE HOUSING.
Inventors
- 👤 Robert H Studebaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
G; G01; G01C; G01C15/00; G01C15/002; G01C15/004; H; H01; H01S; H01S3/00; H01S3/02; H01S3/10; H01S3/101; Y; Y10; Y10S; Y10S33/00; Y10S33/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |