US3130487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making fine mesh dome-shaped grids
Assignee: Individual
•
Filing: 1962-12-17
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Granted: 1964-04-28
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Norman B Mears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:34
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/4962; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF MAKING A FINE MESH DOME-SHAPED GRID WHICH COMPRISES: (A) FORMING A FIRST ANNELABLE METAL OF ALLOY A FINE MESH SCREEN HAVING A MULTIPLICITY OF APERTURES OF PREDETERMINED SIZE OF SIZES; (B) ENCASING SAID SCREEN AND FILLING SAID APERTURES THEREIN WITH A DISSIMILAR MALLEABLE SECOND METAL TO FORM A BIMETALLIC SHEET: (C) ANNEALING SAID FINE MESH SCREEN; (D) IMPARTING TO SAID BIMETALLIC SHEET A PREDETERMINED DOME SHAPE, AND (E) TREATING SAID DOME SHAPED BIMETALLIC SHEET TO REMOVE THE ECASING SECOND METAL FROM TGHE REMAINING FINE OPEN MESH GRID OF DOME SHAPE.
Claim 2
Independent Claim
93 words
A METHOD OF MAKING A FINE MESH DOME-SHAPED GRID WHICH COMPRISES: (A) FORMING A FIRST ANNELABLE METAL OF ALLOY A FINE MESH SCREEN HAVING A MULTIPLICITY OF APERTURES OF PREDETERMINED SIZE OF SIZES; (B) ENCASING SAID SCREEN AND FILLING SAID APERTURES THEREIN WITH A DISSIMILAR MALLEABLE SECOND METAL TO FORM A BIMETALLIC SHEET: (C) ANNEALING SAID FINE MESH SCREEN; (D) IMPARTING TO SAID BIMETALLIC SHEET A PREDETERMINED DOME SHAPE, AND (E) TREATING SAID DOME SHAPED BIMETALLIC SHEET TO REMOVE THE ECASING SECOND METAL FROM TGHE REMAINING FINE OPEN MESH GRID OF DOME SHAPE.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |