Patent US3262364A successfully refreshed from Google Patents.
US3262364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Periscope
Assignee: Kollmorgen Corp
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Filing: 1961-05-04
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Granted: 1966-07-26
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Expires: 1981-05-04
Abstract
No abstract record available.
Inventors
- 👤 Ernest O Kollmorgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:39
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G02B23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PERISCOPE COMPRISING A DISTORTABLE TUBE, TWO WINDOWS AT LONGITUDINALLY SPACED-APART POSITIONS ON SAID TUBE, A FIRST MIRROR HAVING A PLANE REFLECTING SURFACE POSITIONED WITHIN SAID TUBE ADJACENT ONE OF SAID WINDOWS AND PIVOTALLY MOUNTED ABOUT A FIRST AXIS FIXED WITH RESPECT TO SAID TUBE, A SECOND MIRROR HAVING A PLANE REFLECTING SURFACE IN FIXED ORIENTATION WITH RESPECT TO THE PLANE REFLECTING SURFACE OF SAID FIRST MIRROR AND PIVOTALLY MOUNTED WITHIN SAID TUBE ADJACENT THE OTHER OF SAID WINDOWS ABOUT A SECOND AXIS EXTENDING PARALLEL TO SAID FIRST AXIS AND ABOUT A THIRD AXIS EXTENDING TRANSVERSELY OF SAID TUBE AND PERPENDICULAR TO SAID FIRST AXIS, AND CONTROL MEANS RESPONSIVE TO DISTORTION OF SAID TUBE FOR MAINTAINING SAID REFLECTING SURFACES IN FIXED ORIENTATION WITH RESPECT TO EACH OTHER AS THE TUBE IS DISTORTED INTERMEDIATE ITS ENDS.
Claim 2
Dependent Claim
135 words
A PERISCOPE COMPRISING A DISTORTABLE TUBE, TWO WINDOWS AT LONGITUDINALLY SPACED-APART POSITIONS ON SAID TUBE, A FIRST MIRROR HAVING A PLANE REFLECTING SURFACE POSITIONED WITHIN SAID TUBE ADJACENT ONE OF SAID WINDOWS AND PIVOTALLY MOUNTED ABOUT A FIRST AXIS FIXED WITH RESPECT TO SAID TUBE, A SECOND MIRROR HAVING A PLANE REFLECTING SURFACE IN FIXED ORIENTATION WITH RESPECT TO THE PLANE REFLECTING SURFACE OF SAID FIRST MIRROR AND PIVOTALLY MOUNTED WITHIN SAID TUBE ADJACENT THE OTHER OF SAID WINDOWS ABOUT A SECOND AXIS EXTENDING PARALLEL TO SAID FIRST AXIS AND ABOUT A THIRD AXIS EXTENDING TRANSVERSELY OF SAID TUBE AND PERPENDICULAR TO SAID FIRST AXIS, AND CONTROL MEANS RESPONSIVE TO DISTORTION OF SAID TUBE FOR MAINTAINING SAID REFLECTING SURFACES IN FIXED ORIENTATION WITH RESPECT TO EACH OTHER AS THE TUBE IS DISTORTED INTERMEDIATE ITS ENDS.
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |