Patent US3555563A successfully refreshed from Google Patents.
US3555563A
Expired / Lapsed
US
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Golfer's eyeglasses
Assignee: Individual
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Filing: 1968-08-29
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Granted: 1971-01-19
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Expires: 1988-08-29
Abstract
Abstract AN IMPROVED PAIR OF EYEGLASSES, PARTICULARLY SUITABLE FOR USE BY GOLFERS, IN WHICH AN OPAQUE LENS IS PROVIDED HAVING A RESTRICTIVE SIGHT APERTURE DEFINED THEREIN, WHEREBY THE WEARER''S HEAD, WHEN ADDRESSING THE BALL PREPARATORY TO SWINGING, IS PREVENTED FROM STRAYING LATERALLY OR VERTICALLY, I.E., KEEPING HIS EYES DIRECTLY ON THE BALL.
Inventors
- 👤 Oscar A Grossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:29
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/029; A63; A63B; A63B69/00; A63B69/36; A63B69/3608; G; G02; G02C; G02C5/00; G02C5/001; G02C5/003; G02C7/00; G02C7/16; A63B2225/00; A63B2225/09; G02C9/00; G02C9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |