US3077707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing synthetic resin lenses
Assignee: Honeywell Safety Products USA Inc
•
Filing: 1960-06-20
•
Granted: 1963-02-19
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 George M J Sarofeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:29
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1454; C09K3/1463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF POLISHING AN OPTICAL SURFACE MADE OF A SYNETHIC RESIN COMPRISING SUPPORTING A HOMOGENEOUS MASS INCLUDING A CUTTING AGENT AND AN INERT VISCOUS LIQUID MATERIAL ON A SOLID YIELDABLE SURFACING MEDIUM AND CONTACTING SAID OPTICAL SURFACE WITH SAID SOLID YIELDABLE SURFACING MEDIUM SUPPORTING SAID HOLOGENEOUS MASS, SAID MATERIAL HAVING A VISCOSITY SUBSTANTIALLY GREATER THAN WATER AND COMPRISING A POLYHYDRIC ALCOHOL.
Claim 2
Independent Claim
62 words
A METHOD OF POLISHING AN OPTICAL SURFACE MADE OF A SYNETHIC RESIN COMPRISING SUPPORTING A HOMOGENEOUS MASS INCLUDING A CUTTING AGENT AND AN INERT VISCOUS LIQUID MATERIAL ON A SOLID YIELDABLE SURFACING MEDIUM AND CONTACTING SAID OPTICAL SURFACE WITH SAID SOLID YIELDABLE SURFACING MEDIUM SUPPORTING SAID HOLOGENEOUS MASS, SAID MATERIAL HAVING A VISCOSITY SUBSTANTIALLY GREATER THAN WATER AND COMPRISING A POLYHYDRIC ALCOHOL.
References Cited (Backward Citations)
US2450433A
Cited
US2437436A
Cited
US2865725A
Cited
US2934416A
Cited
US2955031A
Cited
US2955030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |