Patent US3311522A successfully refreshed from Google Patents.
US3311522A
Expired / Lapsed
US
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Process for bonding crystalline components and composite article produced thereby
Assignee: Eastman Kodak Co
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Filing: 1963-02-25
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Granted: 1967-03-28
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Le Roy S Ladd
- 👤 William F Parsons
- 👤 Robert J Weagley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:55
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/203; C03B23/22; G; G02; G02B; G02B1/00; G02B1/02; G02B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METHOD OF FORMING COMPOSITE OPTICAL ELEMENTS COMPRISING PLACING AT LEAST TWO SOLID HOMOGENEOUS POLYCRYSTALLINE ELEMENTS WITHIN A FRAME HAVCING A COEFFICIENT OF EXPANSION LOWER THAN THAT OT SAID ELEMENTS, HEATING THE FRAME TO A TEMPERATURE BELOW THE MELTING TEMPERA-
Claim 2
Independent Claim
40 words
A METHOD OF FORMING COMPOSITE OPTICAL ELEMENTS COMPRISING PLACING AT LEAST TWO SOLID HOMOGENEOUS POLYCRYSTALLINE ELEMENTS WITHIN A FRAME HAVCING A COEFFICIENT OF EXPANSION LOWER THAN THAT OT SAID ELEMENTS, HEATING THE FRAME TO A TEMPERATURE BELOW THE MELTING TEMPERA-
References Cited (Backward Citations)
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US3098699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |