Patent US3409347A successfully refreshed from Google Patents.
US3409347A
Expired / Lapsed
US
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Assignee: Individual
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Filing: 1965-11-15
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Granted: 1968-11-05
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Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Vogel Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:46
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A POCKET MAGNIFIER OF THE CHARACTER DESCRIBED COMPRISING, IN COMBINATION: (A) A GENERALLY RECTANGULAR CAS FORMED OF SUPERIMPOSED UPPER AND LOWER LAYERS CLOSED ALONG THE LONGITUDINAL SIDES EDGES AND ALONG ONE END EDGE OF THE CASE AND OPEN AT THE OTHER END EDGE; (B) A GENERALLY RECTANGULAR LINER COMPRISING UPPER AND LOWER LAYERS FOLDED ONE UPON THE OTHER ALONG A TRANSVERSE FOLD LINE AND ENGAGED WITHIN SAID CASE WITH ITS FOLD LINE ADJACENT THE CLOSED END OF SAID CASE;
Claim 2
Dependent Claim
79 words
A POCKET MAGNIFIER OF THE CHARACTER DESCRIBED COMPRISING, IN COMBINATION: (A) A GENERALLY RECTANGULAR CAS FORMED OF SUPERIMPOSED UPPER AND LOWER LAYERS CLOSED ALONG THE LONGITUDINAL SIDES EDGES AND ALONG ONE END EDGE OF THE CASE AND OPEN AT THE OTHER END EDGE; (B) A GENERALLY RECTANGULAR LINER COMPRISING UPPER AND LOWER LAYERS FOLDED ONE UPON THE OTHER ALONG A TRANSVERSE FOLD LINE AND ENGAGED WITHIN SAID CASE WITH ITS FOLD LINE ADJACENT THE CLOSED END OF SAID CASE;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |