Patent US363608A successfully refreshed from Google Patents.
Patent US3130098A successfully refreshed from Google Patents.
US3130098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for providing improved diffraction grated lines on glass body surface
Assignee: Ball Corp
•
Filing: 1960-09-29
•
Granted: 1964-04-21
•
Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 William C Levengood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:14
CPC Classifications
C; C03; C03C; C03C15/00; G; G02; G02B; G02B5/00; G02B5/18; G02B5/1847; G02B5/1857; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD FOR PROVIDING IMPROVED DIFFRACTION GRATED LINES ON THE SURFACE OF A GLASS BODY MEMBER WHICH COMPRISES, FORMING PRELIMINARY GRATING LINES ON THE SURFACE OF THE MEMBER, CLEANING THE SURFACE, AND APPLYING AN AQUEOUS TREATING SOLUTION TO THE LINES TO INCREASE THE DEPTH AND IMPROVE THE CONTRAST AND SMOOTHNESS THEREOF WITHOUT SIGNIFICANTLY INCREASING THE WIDTH OF THE LINES; SAID TREATING SOLUTION COMPRISING AN ALKALI METAL FLUORIDE AND CONCENTRATED HYDROCHLORIC ACID.
Claim 2
Independent Claim
71 words
A METHOD FOR PROVIDING IMPROVED DIFFRACTION GRATED LINES ON THE SURFACE OF A GLASS BODY MEMBER WHICH COMPRISES, FORMING PRELIMINARY GRATING LINES ON THE SURFACE OF THE MEMBER, CLEANING THE SURFACE, AND APPLYING AN AQUEOUS TREATING SOLUTION TO THE LINES TO INCREASE THE DEPTH AND IMPROVE THE CONTRAST AND SMOOTHNESS THEREOF WITHOUT SIGNIFICANTLY INCREASING THE WIDTH OF THE LINES; SAID TREATING SOLUTION COMPRISING AN ALKALI METAL FLUORIDE AND CONCENTRATED HYDROCHLORIC ACID.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |