US3080067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device
Assignee: Individual
•
Filing: 1958-09-02
•
Granted: 1963-03-05
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Lind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:47
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A DISPLAY DEVICE COMPRISING A SUBSTANTIALLY RIGID CYLINDRICAL HOLLOW TUBE, SAID TUBE BEING PROVIDED WITH A PLURALITY OF LONGITUDINAL ROWS OF UNIFORMLY SPACED PERFORATIONS, SAID ROWS BEING UNIFORMLY SPACED ABOUT THE PERIPHERY OF SAID TUBE BY THE SAME DISTANCE THAT THE PERFORATIONS IN THE LONGITUDINAL ROWS ARE SPACED, A PLURALITY OF ROD MEMBERS EXTENDING TRANSVERSELY THROUGH PERFORATIONS IN SAID TUBE DEVICE AND RADIATING OUT THEREFROM, THE PORTIONS OF SAID ROD ELEMENTS EXTENDING OUT FROM THE SURFACE OF SAID TUBE LYING SUBSTANTIALLY IN A SINGLE PLANE, SAID RODS INTERSECTING AT A POINT LYING ON THE LONGITUDINAL AXIS OF SAID TUBE, ONE OF SAID ROD ELEMENTS BEING STRAIGHT THROUGHOUT ITS LENGTH AND THE OTHER OF SAID ROD ELEMENTS BEING OFFSET APPROXIMATELY MIDWAY BETWEEN THEIR ENDS TO PASS
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |