US3298032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-on lift front lens
Assignee: Individual
•
Filing: 1964-07-02
•
Granted: 1967-01-17
•
Expires: 1984-07-02
Abstract
No abstract record available.
Inventors
- 👤 Robert G Sielisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:31
CPC Classifications
G; G02; G02C; G02C9/00; G02C9/02; G02C11/00; G02C11/12; G02C9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN COMBINATION IN A FLIP-UP, CLIP-ON EYEGLASS LENS DEVICE FOR USE WITH A FACE-MOUNTED FRAME, A SUPPORT WIRE HAVING SECURING MEANS FOR ATTACHMENT TO SAID FRAME, A FLIP-UP LENS, SPRING METAL RETAINING CLIP MEANS SUBSTANTIALLY SHORTER IN LENGTH THAN SAID LENS REMOVABLY SECURED TO SAID LENS AND POSITIVELY POSITIONED LONGITUDINALLY WITH RESPECT THERETO, SAID LENS HAVING RECESS MEANS CUT THEREIN GENERALLY CENTRALLY THEREOF RECEIVING THE LONGITUDINAL ENDS OF SAID CLIP MEANS TO THEREBY POSITION SAID CLIP MEANS GEN ERALLY CENTRALLY WITH RESPECT TO SAID LENS, AND MEANS ON SAID CLIP CO-OPERATING WITH SAID WIRE PIVOTALLY SECURING SAID CLIP TO SAID WIRE IN A FIXED LONGITUDINAL POSITION THEREON.
Claim 2
Dependent Claim
107 words
IN COMBINATION IN A FLIP-UP, CLIP-ON EYEGLASS LENS DEVICE FOR USE WITH A FACE-MOUNTED FRAME, A SUPPORT WIRE HAVING SECURING MEANS FOR ATTACHMENT TO SAID FRAME, A FLIP-UP LENS, SPRING METAL RETAINING CLIP MEANS SUBSTANTIALLY SHORTER IN LENGTH THAN SAID LENS REMOVABLY SECURED TO SAID LENS AND POSITIVELY POSITIONED LONGITUDINALLY WITH RESPECT THERETO, SAID LENS HAVING RECESS MEANS CUT THEREIN GENERALLY CENTRALLY THEREOF RECEIVING THE LONGITUDINAL ENDS OF SAID CLIP MEANS TO THEREBY POSITION SAID CLIP MEANS GEN ERALLY CENTRALLY WITH RESPECT TO SAID LENS, AND MEANS ON SAID CLIP CO-OPERATING WITH SAID WIRE PIVOTALLY SECURING SAID CLIP TO SAID WIRE IN A FIXED LONGITUDINAL POSITION THEREON.
References Cited (Backward Citations)
US1899905A
Cited
US2270028A
Cited
US2714717A
Cited
FR1104664A
Cited
GB795810A
Cited
US2825066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |