US3172220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device
Assignee: Individual
•
Filing: 1963-02-06
•
Granted: 1965-03-09
•
Expires: 1983-02-06
Abstract
No abstract record available.
Inventors
- 👤 Leonard R Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:02
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/18; G09F7/22; G09F21/00; G09F21/04; G09F21/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A DISPLAY DEVICE FOR ATTACHMENT WITH A ROD HAVING A TERMINAL END ENLARGEMENT THEREON COMPRISING A HOLDER CARRING A VISUAL DISPLAY MEANS, SAID HOLDER COMPRISING AN INTERNAL CORE SLEEVE TO FIT THE ROD, AN EXTERNAL SLEEVE CARRIED ABOUT SAID CORE SLEEVE AND EXTENDING BEYOND ONE END THEREOF TO FORM A CAVITY THEREWITH TO RECEIVE THE ROD END ENLARGEMENT THEREIN, AND A CAP SLEEVE TO ENCLOSE SAID SLEEVES, SAID CAP SLEEVE FREELY RESTING UPON SAID END ENLARGENMENT OF SAID ROD FOR FREE ROTATION ON SAID END AND ABOUT SAID INTERNAL AND EXTERNAL ALEEVES HEREINBEFORE DEFINED.
Claim 2
Dependent Claim
94 words
A DISPLAY DEVICE FOR ATTACHMENT WITH A ROD HAVING A TERMINAL END ENLARGEMENT THEREON COMPRISING A HOLDER CARRING A VISUAL DISPLAY MEANS, SAID HOLDER COMPRISING AN INTERNAL CORE SLEEVE TO FIT THE ROD, AN EXTERNAL SLEEVE CARRIED ABOUT SAID CORE SLEEVE AND EXTENDING BEYOND ONE END THEREOF TO FORM A CAVITY THEREWITH TO RECEIVE THE ROD END ENLARGEMENT THEREIN, AND A CAP SLEEVE TO ENCLOSE SAID SLEEVES, SAID CAP SLEEVE FREELY RESTING UPON SAID END ENLARGENMENT OF SAID ROD FOR FREE ROTATION ON SAID END AND ABOUT SAID INTERNAL AND EXTERNAL ALEEVES HEREINBEFORE DEFINED.
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |