US3229575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine periscopes
Assignee: Thales Optronics Ltd
•
Filing: 1957-05-28
•
Granted: 1966-01-18
•
Expires: 1977-05-28
Abstract
No abstract record available.
Inventors
- 👤 Strang John Martin
- 👤 Lane Robert George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:26
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G02B23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN COMBINATION, AN UPRIGHT, AXIALLY MOVABLE AND AXIALLY TURNABLE SUBMARINE PERISCOPE, A SEAT MOUNTING POWER-DRIVEN AND GUIDED AROUND THE PERISCOPE IN A PATH CONCENTRIC WITH THE LONGITUDINAL AXIS THEREOF, AND COUPLING MEANS FOR INTERCONNECTING THE MOUNTING AND PERISCOPE TO TURN THE LATTER IN UNISON WITH THE MOUNTING, WHEN THE LATTER IS DRIVEN, SAID COUPLING MEANS COMPRISING A PROJECTION ON THE MOUNTING AND A MEMBER ON THE PERISCOPE HAVING AN AXIALLY DIRECTED SLOT RELEASABLY ENGAGED BY SAID PROJECTION AND OF SHORT LENGTH RELATIVE TO THE LENGTH OF THE PERISCOPE, SO THAT THE PERISCOPE MAY BE MOVED AXIALLY A PREDETERMINED DISTANCE WHILE THE PROJECTION REMAINS IN ENGAGEMENT WITH SAID SLOT.
Claim 2
Dependent Claim
108 words
IN COMBINATION, AN UPRIGHT, AXIALLY MOVABLE AND AXIALLY TURNABLE SUBMARINE PERISCOPE, A SEAT MOUNTING POWER-DRIVEN AND GUIDED AROUND THE PERISCOPE IN A PATH CONCENTRIC WITH THE LONGITUDINAL AXIS THEREOF, AND COUPLING MEANS FOR INTERCONNECTING THE MOUNTING AND PERISCOPE TO TURN THE LATTER IN UNISON WITH THE MOUNTING, WHEN THE LATTER IS DRIVEN, SAID COUPLING MEANS COMPRISING A PROJECTION ON THE MOUNTING AND A MEMBER ON THE PERISCOPE HAVING AN AXIALLY DIRECTED SLOT RELEASABLY ENGAGED BY SAID PROJECTION AND OF SHORT LENGTH RELATIVE TO THE LENGTH OF THE PERISCOPE, SO THAT THE PERISCOPE MAY BE MOVED AXIALLY A PREDETERMINED DISTANCE WHILE THE PROJECTION REMAINS IN ENGAGEMENT WITH SAID SLOT.
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) | 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 |