US3378469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroforming technique and structure for reflecting mirrors
Assignee: Electro Optical Systems Inc
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Filing: 1964-04-03
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Granted: 1968-04-16
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Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Jochim Perry Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:20
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A REFLECTING MIRROR COMPRISING: A LAYER OF METAL ELECTROFORMED AS THE REFLECTING SURFACE OF THE MIRROR; AND A RIGID MESH BACKING STRUCTURE MOUNTED ON SAID METAL LAYER AT LEAST SUBSTANTIALLY ON THE EDGE THEREOF FOR THE FIRM AND UNDISTORED SUPPORT THEREOF, SAID BACKING STRUCTURE INCLUDING A PLIABLE MESH MATERIAL AND AN ELECTROFORMED FILM OF SAID METAL THAT COVERS SAID PLIABLE MESH MATERIAL TO RIGIDIZE IT, SAID METAL FILM BLENDING WITH SAID METAL LAYER AS A CONTINUATION THEREOF TO FIRMLY AND PERMANENTLY MOUNT SAID BACKING STRUCTURE AS AN INTEGRAL PART OF SAID REFLECTING SURFACE LAYER.
Claim 2
Dependent Claim
94 words
A REFLECTING MIRROR COMPRISING: A LAYER OF METAL ELECTROFORMED AS THE REFLECTING SURFACE OF THE MIRROR; AND A RIGID MESH BACKING STRUCTURE MOUNTED ON SAID METAL LAYER AT LEAST SUBSTANTIALLY ON THE EDGE THEREOF FOR THE FIRM AND UNDISTORED SUPPORT THEREOF, SAID BACKING STRUCTURE INCLUDING A PLIABLE MESH MATERIAL AND AN ELECTROFORMED FILM OF SAID METAL THAT COVERS SAID PLIABLE MESH MATERIAL TO RIGIDIZE IT, SAID METAL FILM BLENDING WITH SAID METAL LAYER AS A CONTINUATION THEREOF TO FIRMLY AND PERMANENTLY MOUNT SAID BACKING STRUCTURE AS AN INTEGRAL PART OF SAID REFLECTING SURFACE LAYER.
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |