US3259740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminating ornament having a lens member
Assignee: Individual
•
Filing: 1963-11-21
•
Granted: 1966-07-05
•
Expires: 1983-11-21
Abstract
No abstract record available.
Inventors
- 👤 Burnbaum Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:45
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/02; F; F21; F21W; F21W2121/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A BOW-SHAPED LENS MEMBER HAVING A CONTINUOUS, SMOOTH OUTER SURFACE COMPRISING AN OUTER EDGE PORTION, A PLURALITY OF INTEGRAL CIRCUMFERENTIAL ROWS OF DOUBLECONVEX LENS PORTIONS AT THE INNER SURFACE OF SAID LENS MEMBER AND ADJOINING EACH OTHER SOME OF WHICH PORTIONS ARE COMPLETELY BORDERED BY FOUR STRAIGHT LINES, AN INTEGRAL CENTRAL PORTION AT THE APEX OF SAID BOWL, AND A
Claim 2
Dependent Claim
60 words
A BOW-SHAPED LENS MEMBER HAVING A CONTINUOUS, SMOOTH OUTER SURFACE COMPRISING AN OUTER EDGE PORTION, A PLURALITY OF INTEGRAL CIRCUMFERENTIAL ROWS OF DOUBLECONVEX LENS PORTIONS AT THE INNER SURFACE OF SAID LENS MEMBER AND ADJOINING EACH OTHER SOME OF WHICH PORTIONS ARE COMPLETELY BORDERED BY FOUR STRAIGHT LINES, AN INTEGRAL CENTRAL PORTION AT THE APEX OF SAID BOWL, AND A
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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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |