US3216309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical rangefinder and telescope combination with scale reading reflectors
Assignee: Individual
•
Filing: 1962-01-18
•
Granted: 1965-11-09
•
Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Joel T Hartmeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:01
CPC Classifications
G; G01; G01C; G01C3/00; G01C3/10; G01C3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
341 words
IN COMBINATION WITH A TELESCOPE, A RANGE FINDING DEVICE FOR USE WITH THE MAGNIFYING OPTICAL SYSTEM THEREOF COMPRISING AN ELONGATED HOUSING CLOSED AT BOTH ENDS, HAVING SIDES, A TOP AND A BOTTOM; OPENINGS IN ONE SIDE ADJACENT EACH END OF THE HOUSING, A VIEWING APERTURE IN THE OTHER SIDE IN LINE WITH ONE OF SAID OPENINGS IN SAID ONE SIDE; A FIXED REFLECTOR MOUNTED AT AN ANGLE WITHIN THE HOUSING AND POSITIONED BETWEEN THE VIEWING APERTURE AND THE OPENING IN LINE THEREWITH; A MOVEABLE REFLECTOR MOUNTED FOR PIVOTAL MOVEMENT WITHIN THE HOUSING IN LINE WITH THE OTHER OPENING IN SAID ONE SIDE; MEANS OPERATIVELY ENGAGING SAID MOVEABLE REFLECTOR FOR THE SELECTIVE ANGULAR POSITIONING OF SAME WITH RESPECT TO THE FIXED REFLECTOR, SAID FIXED REFLECTOR HAVING A CENTRALLY LOCATED BORE THROUGH THE REFLECTING ANGULAR SURFACE; A TRANSPARENT SCALE HAVING DISTANCE INDICIA THEREON MOUNTED IN SAID BOX INTERMEDIATE THE REFLECTORS, AND REFLECTING MIRROR MEANS MOUNTED ON THE MOVEABLE REFLECTOR FOR MOVEMENT THEREWITH POSITIONED AND ALIGNED TO REFLECT AN IMAGE OF A SELECTED PORTION OF SAID SCALE AND SAID INDICIA THEREON ONTO THE REFLECTING SURFACE OF THE FIXED REFLECTOR, WHEREIN AN OPENING IS PROVIDED IN THE BOX ADJACENT THE LOCATION OF THE SCALE AND THERE IS FURTHER PROVIDED A LIGHT REFLECTING MEANS WHICH COOPERATES WITH SAID OPENING AND SAID SCALE TO DIRECT EXTERNAL LIGHT ONTO THE SCALE AND ILLUMINATE SAME, SAID REFLECTING MIRROR MEANS INCLUDING A PAIR OF REFLECTING MIRRORS MOUNTED ON THE MOVEABLE REFLECTOR, WITH ONE MIRROR BEING POSITIONED ADJACENT ONE SIDE OF THE BOX AND THE OTHER MIRROR ADJACENT THE OTHER SIDE, WITH ONE MIRROR BEING ALIGNED TO REFLECT AN IMAGE OF THE INDICIA AT ONE END OF THE SCALE ONTO THE REFLECTING SURFACE OF THE FIXED REFLECTOR WHILE THE OTHER MIRROR IS ALIGNED TO REFLECT AN IMAGE OF THE INDICIA AT THE OTHER END OF THE SCALE ONTO THE REFLECTING SURFACE OF THE FIXED REFLECTOR AND WHILE ONE MIRROR IS REFLECTING AN IMAGE OF THE INDICIA INTERMEDIATE OF THE ENDS OF THE SCALE, THE OTHER MIRROR IS REFLECTING OFF THE SCALE.
Claim 2
Dependent Claim
341 words
IN COMBINATION WITH A TELESCOPE, A RANGE FINDING DEVICE FOR USE WITH THE MAGNIFYING OPTICAL SYSTEM THEREOF COMPRISING AN ELONGATED HOUSING CLOSED AT BOTH ENDS, HAVING SIDES, A TOP AND A BOTTOM; OPENINGS IN ONE SIDE ADJACENT EACH END OF THE HOUSING, A VIEWING APERTURE IN THE OTHER SIDE IN LINE WITH ONE OF SAID OPENINGS IN SAID ONE SIDE; A FIXED REFLECTOR MOUNTED AT AN ANGLE WITHIN THE HOUSING AND POSITIONED BETWEEN THE VIEWING APERTURE AND THE OPENING IN LINE THEREWITH; A MOVEABLE REFLECTOR MOUNTED FOR PIVOTAL MOVEMENT WITHIN THE HOUSING IN LINE WITH THE OTHER OPENING IN SAID ONE SIDE; MEANS OPERATIVELY ENGAGING SAID MOVEABLE REFLECTOR FOR THE SELECTIVE ANGULAR POSITIONING OF SAME WITH RESPECT TO THE FIXED REFLECTOR, SAID FIXED REFLECTOR HAVING A CENTRALLY LOCATED BORE THROUGH THE REFLECTING ANGULAR SURFACE; A TRANSPARENT SCALE HAVING DISTANCE INDICIA THEREON MOUNTED IN SAID BOX INTERMEDIATE THE REFLECTORS, AND REFLECTING MIRROR MEANS MOUNTED ON THE MOVEABLE REFLECTOR FOR MOVEMENT THEREWITH POSITIONED AND ALIGNED TO REFLECT AN IMAGE OF A SELECTED PORTION OF SAID SCALE AND SAID INDICIA THEREON ONTO THE REFLECTING SURFACE OF THE FIXED REFLECTOR, WHEREIN AN OPENING IS PROVIDED IN THE BOX ADJACENT THE LOCATION OF THE SCALE AND THERE IS FURTHER PROVIDED A LIGHT REFLECTING MEANS WHICH COOPERATES WITH SAID OPENING AND SAID SCALE TO DIRECT EXTERNAL LIGHT ONTO THE SCALE AND ILLUMINATE SAME, SAID REFLECTING MIRROR MEANS INCLUDING A PAIR OF REFLECTING MIRRORS MOUNTED ON THE MOVEABLE REFLECTOR, WITH ONE MIRROR BEING POSITIONED ADJACENT ONE SIDE OF THE BOX AND THE OTHER MIRROR ADJACENT THE OTHER SIDE, WITH ONE MIRROR BEING ALIGNED TO REFLECT AN IMAGE OF THE INDICIA AT ONE END OF THE SCALE ONTO THE REFLECTING SURFACE OF THE FIXED REFLECTOR WHILE THE OTHER MIRROR IS ALIGNED TO REFLECT AN IMAGE OF THE INDICIA AT THE OTHER END OF THE SCALE ONTO THE REFLECTING SURFACE OF THE FIXED REFLECTOR AND WHILE ONE MIRROR IS REFLECTING AN IMAGE OF THE INDICIA INTERMEDIATE OF THE ENDS OF THE SCALE, THE OTHER MIRROR IS REFLECTING OFF THE SCALE.
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |