US3236167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater camera
Assignee: Emerson Process Management Ltd
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Filing: 1963-12-16
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Granted: 1966-02-22
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Lode Tenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:20
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN UNDERWATER CAMERA COMPRISING A LIGHT-TIGHT CAMERA CASE, A PHOTOSENSITIVE SURFACE INSIDE OF SAID CASE MEANS FOR ADMITTING LIGHT INTO SAID CASE TO IMPINGE ON SAID PHOTOSENSITIVE SURFACE, A RELATIVELY INCOMPRESSIBLE TRANSPARENT LIQUID IN SAID CASE BETWEEN SAID LIGHT ADMITTING MEANS AND SAID SURFACE, AND A LIGHT-TIGHT PASSAGEWAY FOR SAID LIQUID BEING PROVIDED THROUGH A WALL OF SAID CASE.
Claim 2
Dependent Claim
59 words
AN UNDERWATER CAMERA COMPRISING A LIGHT-TIGHT CAMERA CASE, A PHOTOSENSITIVE SURFACE INSIDE OF SAID CASE MEANS FOR ADMITTING LIGHT INTO SAID CASE TO IMPINGE ON SAID PHOTOSENSITIVE SURFACE, A RELATIVELY INCOMPRESSIBLE TRANSPARENT LIQUID IN SAID CASE BETWEEN SAID LIGHT ADMITTING MEANS AND SAID SURFACE, AND A LIGHT-TIGHT PASSAGEWAY FOR SAID LIQUID BEING PROVIDED THROUGH A WALL OF SAID CASE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |