US2943030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making reticles
Assignee: Bausch and Lomb Inc
•
Filing: 1957-10-25
•
Granted: 1960-06-28
•
Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Sarkis K Tchejeyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0607; C25D5/00; C25D5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF MAKING TAPERED INDICIA FOR USE IN A RETICLE COMPRISING THE STEPS OF SUPPORTING AT LEAST ONE WIRE AT ITS ENDS, POSITIONING THE WIRE IN A PLANE WHICH TRAVERSES THE SURFACE OF AN ELECTROLYTE AND DEPOSITING METAL ON THE IMMERSED WIRE BY ELECTROLYTIC ACTION WHILE CONTINUALLY ROTATING THE WIRE IN SAID PLANE ABOUT AN AXIS COINCIDENT WITH APPROXIMATELY THE MID-POINT OF SAID WIRE AND GRADUALLY VARYING THE DEPTH OF IMMERSION OF THE WIRE IN THE ELECTROLYTE WHEREBY METAL WILL BE DEPOSITED ALONG THE WIRES IN VARYING AMOUNTS TO PROVIDE TAPERED INDICIA FOR A RETICLE.
Claim 2
Independent Claim
96 words
THE METHOD OF MAKING TAPERED INDICIA FOR USE IN A RETICLE COMPRISING THE STEPS OF SUPPORTING AT LEAST ONE WIRE AT ITS ENDS, POSITIONING THE WIRE IN A PLANE WHICH TRAVERSES THE SURFACE OF AN ELECTROLYTE AND DEPOSITING METAL ON THE IMMERSED WIRE BY ELECTROLYTIC ACTION WHILE CONTINUALLY ROTATING THE WIRE IN SAID PLANE ABOUT AN AXIS COINCIDENT WITH APPROXIMATELY THE MID-POINT OF SAID WIRE AND GRADUALLY VARYING THE DEPTH OF IMMERSION OF THE WIRE IN THE ELECTROLYTE WHEREBY METAL WILL BE DEPOSITED ALONG THE WIRES IN VARYING AMOUNTS TO PROVIDE TAPERED INDICIA FOR A RETICLE.
References Cited (Backward Citations)
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Cited
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Cited
US2138938A
Cited
US2344859A
Cited
US2438885A
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US2722623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |