US3299439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust guard for spectacles
Assignee: C & D ACQUISITION CORP A CORP OF DE
•
Filing: 1965-05-25
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Granted: 1967-01-24
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Expires: 1985-05-25
Abstract
No abstract record available.
Inventors
- 👤 William R Bohner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:54
CPC Classifications
G; G02; G02C; G02C11/00; G02C11/12; G02C11/08; G02C7/00; G02C7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN COMBINATION WITH A PAIR OF SPECTACLES HAVING A NOSEPIECE, FRAME AND TEMPLE, A DUST GUARD FOR THE TOP PORTION THEREOF, COMPRISING A STRIP OF FLEXIBLE MATERIAL HAVING TWO HOLES AT THE SIDES THEREOF THROUGH WHICH THE TEMPLES OF THE SPECTACLES ARE INSERTED, AND HAVING A CENTRAL SLOT AND A LATERAL EXTENSION FROM THE CENTRAL PORTION THEREOF TERMINATING IN TAB MEANS, SAID LATERAL EXTENSION BEING WRAPPED AROUND THE NOSEPIECE AND SAID TAB MEANS EXTENDING THROUGH SAID SLOT TO FORM A CLOSED LOOP.
Claim 2
Dependent Claim
82 words
IN COMBINATION WITH A PAIR OF SPECTACLES HAVING A NOSEPIECE, FRAME AND TEMPLE, A DUST GUARD FOR THE TOP PORTION THEREOF, COMPRISING A STRIP OF FLEXIBLE MATERIAL HAVING TWO HOLES AT THE SIDES THEREOF THROUGH WHICH THE TEMPLES OF THE SPECTACLES ARE INSERTED, AND HAVING A CENTRAL SLOT AND A LATERAL EXTENSION FROM THE CENTRAL PORTION THEREOF TERMINATING IN TAB MEANS, SAID LATERAL EXTENSION BEING WRAPPED AROUND THE NOSEPIECE AND SAID TAB MEANS EXTENDING THROUGH SAID SLOT TO FORM A CLOSED LOOP.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |