US3319318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin gas tight window assembly
Assignee: SRI International Inc
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Filing: 1964-02-24
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Granted: 1967-05-16
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Samuel I Taimuty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/02; H01J5/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/496; Y10T29/4981; Y10T29/49826; Y10T29/49888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD OF MAKING A THIN FILM ELECTRON PERVIOUS WINDOW COMPRISING COATING WIRES MADE OF A FIRST METAL SOLUBLE IN A SOLVENT WITH A THIN FILM OF A SECOND METAL NOT SOLUBLE IN SAID SOLVENT, COMPACTING A BUNDLE OF SAID WIRES, POLISHING AN END SURFACE OF SAID BUNDLE, TO ESTABLISH A SMOOTH SURFACE WITH THE ENDS OF WIRES IN SAID BUNDLE, DISSOLVING OUT SAID FIRST METAL WITH SAID SOLVENT LEAVING A CELLULAR LIKE GRID OF SAID SECOND METAL, FILLING THE HOLES OF SAID CELLULAR LIKE GRID WITH A MATERIAL WHICH IS SOLUBLE IN A SECOND SOLVENT IN WHICH SAID FIRST AND SECOND METALS ARE SOLUBLE, DEPOSITING ON SAID POLISHED SURFACE A FILM OF SAID METAL TO A DESIRED THICKNESS, AND DISSOLVING SAID MATERIAL OUT OF SAID CELLULAR GRID WITH SAID SECOND SOLVENT.
Claim 2
Independent Claim
132 words
A METHOD OF MAKING A THIN FILM ELECTRON PERVIOUS WINDOW COMPRISING COATING WIRES MADE OF A FIRST METAL SOLUBLE IN A SOLVENT WITH A THIN FILM OF A SECOND METAL NOT SOLUBLE IN SAID SOLVENT, COMPACTING A BUNDLE OF SAID WIRES, POLISHING AN END SURFACE OF SAID BUNDLE, TO ESTABLISH A SMOOTH SURFACE WITH THE ENDS OF WIRES IN SAID BUNDLE, DISSOLVING OUT SAID FIRST METAL WITH SAID SOLVENT LEAVING A CELLULAR LIKE GRID OF SAID SECOND METAL, FILLING THE HOLES OF SAID CELLULAR LIKE GRID WITH A MATERIAL WHICH IS SOLUBLE IN A SECOND SOLVENT IN WHICH SAID FIRST AND SECOND METALS ARE SOLUBLE, DEPOSITING ON SAID POLISHED SURFACE A FILM OF SAID METAL TO A DESIRED THICKNESS, AND DISSOLVING SAID MATERIAL OUT OF SAID CELLULAR GRID WITH SAID SECOND SOLVENT.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |