US3192676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens blocks
Assignee: American Optical Corp
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Filing: 1962-08-02
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Granted: 1965-07-06
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Expires: 1982-08-02
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Buckminster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:01
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A LENS BLOCK COMPRISING (A) A CENRALLY-DISPOSED DISC ADHERED DIRECTLY TO ONE SIDE OF A LENS BLANK FOR HOLDING SAID BLANK IN AN OPERATING MACHINE DURING ONE STEP IN MANUFACTURE OF THE LENS, AND (B) A BODY SURROUNDING SAID DISC AND ADHERED DIRECTLY TO THE SAME SIDE OF THE BLANK IN INTIMATE CONTACT THEREWITH FOR HOLDING THE BLANK DURING A PREVIOUS STEP IN MANUFACTURE OF THE LENS, (C) SAID BODY BEING MADE OF AN ALLOY HAVING A LOWER MELTING POINT THAN THE MATERIAL OF SAID DISC AND THAN THE LENS BLANK.
Claim 2
Dependent Claim
91 words
A LENS BLOCK COMPRISING (A) A CENRALLY-DISPOSED DISC ADHERED DIRECTLY TO ONE SIDE OF A LENS BLANK FOR HOLDING SAID BLANK IN AN OPERATING MACHINE DURING ONE STEP IN MANUFACTURE OF THE LENS, AND (B) A BODY SURROUNDING SAID DISC AND ADHERED DIRECTLY TO THE SAME SIDE OF THE BLANK IN INTIMATE CONTACT THEREWITH FOR HOLDING THE BLANK DURING A PREVIOUS STEP IN MANUFACTURE OF THE LENS, (C) SAID BODY BEING MADE OF AN ALLOY HAVING A LOWER MELTING POINT THAN THE MATERIAL OF SAID DISC AND THAN THE LENS BLANK.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |