US3701592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum spectacle bridge
Assignee: Individual
•
Filing: 1971-10-01
•
Granted: 1972-10-31
•
Expires: 1991-10-01
Abstract
Abstract D R A W I N G A PAIR OF SPECTACLES PROVIDED WITH A NOSE BRIDGE SPECIFICALLY CONTOURED TO CONFORM TO THE UPPER NOSE OF THE WEARER WITH A CENTRAL PORTION OF THE BRIDGE MADE FROM PLASTIC OR METAL ALLOY MATERIAL INCLUDING A U SHAPED CAVITY FORMING A VACUUM AROUND A PORTION OF THE NOSE FOR RETAINING THE SPECTACLES IN THEIR NORMAL POSITION. THE SPECTACLES ARE ATTACHED BY MODEST PRESSURE AT THE BRIDGE WITHOUT THE DEFORMING PERMANENT PRESSURE OF THE PINCENEZ TYPE BRIDGE AND WITHOUT THE WELL KNOWN EAR BOWS. THIS INVENTION ALSO INCLUDES THE PROCESS OF MANUFACTURE FOR CUSTOM FITTING TO EACH WEARER.
Inventors
- 👤 Jose J Fernandez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:00
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/12; G02C5/126; B; B29; B29D; B29D12/00; B29D12/02
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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |