Patent US3129695A successfully refreshed from Google Patents.
US3129695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line guide
Assignee: Individual
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Filing: 1962-09-21
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Granted: 1964-04-21
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Expires: 1982-09-21
Abstract
No abstract record available.
Inventors
- 👤 Pauline F Adelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:57
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/26; G; G09; G09F; G09F1/00; G09F1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A SELF-CONTAINED LINE MARKER COMPRISING AN ELONGATED STRIP MEMBER HAVING FRONT AND REAR FACES, A PERMANENT MAGNET HAVING POLES SECURED TO THE FRONT FACE OF SAID STRIP MEMBER AND HAVING A PORTION THEREOF EXTENDING BEYOND THE FRONT FACE OF SAID STRIP MEMBER TO SERVE AS A HANDLE THEREFOR, AND A FLEXIBLE ELONGATED FERROMAGNETIC MEMBER HAVING ONE OF ITS ENDS SECURED TO SAID STRIP MEMBER ADJACENT ONE END THEREOF AND THE OTHER OF ITS ENDS UNSECURED TO SAID STRIP MEMBER, SAID FERRO-MAGNETIC MEMBER EXTENDING ALONG THE REAR FACE OF SAID STRIP MEMBER AND UNDERLYING SAID PERMANENT MAGNET, SAID PERMANENT MAGNET BEING POSITIONED ON SAID STRIP BETWEEN THE ENDS THEREOF, THE UNSECURED END PORTION OF SAID FERROMAGNETIC MEMBER BEING FLARED REARWARDLY AWAY FROM THE REAR FACE OF SAID STRIP MEMBER, SAID PERMANENT MAGNET HAVING ITS POLES FACING SAID FERRO-MAGNETIC MEMBER SO THAT MAGNETIC ATTRACTION WILL MAINTAIN SAID STRIP MEMBER AND FERRO-MAGNETIC MEMBER IN CLOSE PROXIMITY TO EACH OTHER TO FRICTIONALLY ENGAGE A PIECE OF PAPER.
Claim 2
Dependent Claim
163 words
A SELF-CONTAINED LINE MARKER COMPRISING AN ELONGATED STRIP MEMBER HAVING FRONT AND REAR FACES, A PERMANENT MAGNET HAVING POLES SECURED TO THE FRONT FACE OF SAID STRIP MEMBER AND HAVING A PORTION THEREOF EXTENDING BEYOND THE FRONT FACE OF SAID STRIP MEMBER TO SERVE AS A HANDLE THEREFOR, AND A FLEXIBLE ELONGATED FERROMAGNETIC MEMBER HAVING ONE OF ITS ENDS SECURED TO SAID STRIP MEMBER ADJACENT ONE END THEREOF AND THE OTHER OF ITS ENDS UNSECURED TO SAID STRIP MEMBER, SAID FERRO-MAGNETIC MEMBER EXTENDING ALONG THE REAR FACE OF SAID STRIP MEMBER AND UNDERLYING SAID PERMANENT MAGNET, SAID PERMANENT MAGNET BEING POSITIONED ON SAID STRIP BETWEEN THE ENDS THEREOF, THE UNSECURED END PORTION OF SAID FERROMAGNETIC MEMBER BEING FLARED REARWARDLY AWAY FROM THE REAR FACE OF SAID STRIP MEMBER, SAID PERMANENT MAGNET HAVING ITS POLES FACING SAID FERRO-MAGNETIC MEMBER SO THAT MAGNETIC ATTRACTION WILL MAINTAIN SAID STRIP MEMBER AND FERRO-MAGNETIC MEMBER IN CLOSE PROXIMITY TO EACH OTHER TO FRICTIONALLY ENGAGE A PIECE OF PAPER.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |