US3313031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ophthalmic lens former
Assignee: Individual
•
Filing: 1964-11-16
•
Granted: 1967-04-11
•
Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 George L Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:08
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/14; B24B9/146; G; G02; G02C; G02C13/00; G02C13/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PLASTIC OPHTHALMIC LENS FORMER BLANK FOR OPTICAL LENSES USED IN EYEGLASSES OF THE KIND ON WHICH THE OUTLINE OF THE LENS IS SCRIBED ON THE FORMER BLANK FROM THE EYEGLASS FRAME COMPRISING: A THIN RECTANGULAR FLAT BODY PORTION HAVING A BACK FACE AND A FRONT FACE, SAID FRONT FACE BEING ADAPTED FOR INSCRIBING SAID LENS OUTLINE, SAID FLAT BODY PORTION ADAPTED TO BEING CUT WITH ORDINARY HOUSEHOLD SCISSORS TO SAID LENS OUTLINE; A THICKENED HUB PORTION EXTENDING LATERALLY FROM SAID BACK FACE; AND PROTRUSIONS EXTENDING LATERALLY FROM SAID BACK FACE THE SAME AMOUNT AS SAID HUB PORTION, SAID PROTRUSIONS BEING POSITIONED OUTSIDE THE AREA OF SAID LENS OUTLINE.
Claim 2
Dependent Claim
109 words
A PLASTIC OPHTHALMIC LENS FORMER BLANK FOR OPTICAL LENSES USED IN EYEGLASSES OF THE KIND ON WHICH THE OUTLINE OF THE LENS IS SCRIBED ON THE FORMER BLANK FROM THE EYEGLASS FRAME COMPRISING: A THIN RECTANGULAR FLAT BODY PORTION HAVING A BACK FACE AND A FRONT FACE, SAID FRONT FACE BEING ADAPTED FOR INSCRIBING SAID LENS OUTLINE, SAID FLAT BODY PORTION ADAPTED TO BEING CUT WITH ORDINARY HOUSEHOLD SCISSORS TO SAID LENS OUTLINE; A THICKENED HUB PORTION EXTENDING LATERALLY FROM SAID BACK FACE; AND PROTRUSIONS EXTENDING LATERALLY FROM SAID BACK FACE THE SAME AMOUNT AS SAID HUB PORTION, SAID PROTRUSIONS BEING POSITIONED OUTSIDE THE AREA OF SAID LENS OUTLINE.
References Cited (Backward Citations)
US383697A
Cited
GB189417346A
Cited
US1063969A
Cited
US1455863A
Cited
US1426830A
Cited
US1520445A
Cited
US2190582A
Cited
DE1051677B
Cited
US3170374A
Cited
US3119206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |