Patent US3089464A successfully refreshed from Google Patents.
US3089464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copyholder
Assignee: Individual
•
Filing: 1961-01-05
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Granted: 1963-05-14
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Expires: 1981-01-05
Abstract
No abstract record available.
Inventors
- 👤 Irwin J Mendels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:18
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A COPYHOLDER COMPRISING A FLAT SHEET OF FLEXIBLE PLASTIC MATERIAL RESTRICTED AT ITS INNER AND LOWER ENDS TO THE THICKNESS OF SAID SHEET TO FACILITATE SLIPPING OF SAID SHEET INTO A LEDGER BENEATH A LEDGER SHEET, AN ANGULAR METALLIC MEMBER HAVING A FIRST FLANGE OVERLYING AND SECURED TO THE OUTER SIDE MARGIN OF SID FLEXIBLE PLASTIC SHEET, SAID ANGULAR METALLIC MEMBER HAVING A SECOND FLANGE AT GENERALLY RIGHT ANGLES TO SAID FIRST FLANGE AND ADAPTED TO EXTEND INWARDLY ALONG THE ADJACENT EDGES OF THE SHEETS OF THE LEDGER BENEATH THE LEDGER SHEET BENEATH WHICH THE FLAT SHEET OF FLEXIBLE PLASTIC MATERIAL IS DISPOSED, A FLEXIBLE PLASTIC LINE GUIDE ADAPTED TO EXTEND ACROSS THE LEDGER SHEET BENEATH WHICH THE FLAT SHEET OF FLEXIBLE PLASTIC MATERIAL IS DISPOSED TO HOLD DESIRED POSITIONS, A PLASTIC MEMBER SECURED TO THE OUTER END OF SAID LINE GUIDE AND HAVING A POCKET FOR PRESENTATION TO THE OUTER SURFACE OF THE SECOND FLANGE OF SAID ANGULAR METALLIC MEMBER, AND A MAGNET BAR SECURED WITHIN SAID POCKET FOR PRESENTATION TO SAID OUTER SURFACE OF SAID SECOND FLANGE OF SAID ANGULAR METALLIC MEMBER MAGNETICALLY TO HOLD SAID LINE GUIDE TO SAID SECOND FLANGE OF SAID ANGULAR METALLIC MEMBER IN ANY DESIRED POSITION ALONG SAID ANGULAR METALLIC MEMBER.
Claim 2
Dependent Claim
208 words
A COPYHOLDER COMPRISING A FLAT SHEET OF FLEXIBLE PLASTIC MATERIAL RESTRICTED AT ITS INNER AND LOWER ENDS TO THE THICKNESS OF SAID SHEET TO FACILITATE SLIPPING OF SAID SHEET INTO A LEDGER BENEATH A LEDGER SHEET, AN ANGULAR METALLIC MEMBER HAVING A FIRST FLANGE OVERLYING AND SECURED TO THE OUTER SIDE MARGIN OF SID FLEXIBLE PLASTIC SHEET, SAID ANGULAR METALLIC MEMBER HAVING A SECOND FLANGE AT GENERALLY RIGHT ANGLES TO SAID FIRST FLANGE AND ADAPTED TO EXTEND INWARDLY ALONG THE ADJACENT EDGES OF THE SHEETS OF THE LEDGER BENEATH THE LEDGER SHEET BENEATH WHICH THE FLAT SHEET OF FLEXIBLE PLASTIC MATERIAL IS DISPOSED, A FLEXIBLE PLASTIC LINE GUIDE ADAPTED TO EXTEND ACROSS THE LEDGER SHEET BENEATH WHICH THE FLAT SHEET OF FLEXIBLE PLASTIC MATERIAL IS DISPOSED TO HOLD DESIRED POSITIONS, A PLASTIC MEMBER SECURED TO THE OUTER END OF SAID LINE GUIDE AND HAVING A POCKET FOR PRESENTATION TO THE OUTER SURFACE OF THE SECOND FLANGE OF SAID ANGULAR METALLIC MEMBER, AND A MAGNET BAR SECURED WITHIN SAID POCKET FOR PRESENTATION TO SAID OUTER SURFACE OF SAID SECOND FLANGE OF SAID ANGULAR METALLIC MEMBER MAGNETICALLY TO HOLD SAID LINE GUIDE TO SAID SECOND FLANGE OF SAID ANGULAR METALLIC MEMBER IN ANY DESIRED POSITION ALONG SAID ANGULAR METALLIC MEMBER.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |