Patent US2923549A successfully refreshed from Google Patents.
Patent US3340541A successfully refreshed from Google Patents.
US3340541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed pen actuating mechanism
Assignee: Lockheed Martin Corp
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Filing: 1965-01-18
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Granted: 1967-09-05
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Fritz E Klassen
- 👤 Donald G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:20
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PEN ACTUATING MECHANISM FOR CONTROLLING THE POSITION OF A WRITING INSTRUMENT RELATIVE TO A RECORD MEDIUM ALONG AN AXIS SUBSTANTIALLY PERPENDICULAR TO THE PLANE OF THE RECORD MEDIUM COMPRISING A PEN PLUNGER ADAPTED TO RECEIVE A PEN, THE PEN PLUNGER HAVING A RADIALLY EXTENDED FLANGE PORTION PROVIDING A FIRST ANNULAR POLE PIECE AT THE UPPER END OF THE PEN PLUNGER, A PEN BODY CONTAINING A SOLENOIDAL COIL AND ENCASING THE PEN PLUNGER, A SECOND ANNULAR POLE PIECE OPPOSITE THE FIRST ANNULAR POLE PIECE AND ADJUSTABLY ATTACHED TO THE PEN BODY, MEANS FOR ADJUSTING INCREMENTALLY THE AXIAL POSITION OF THE SECOND ANNULAR POLE PIECE RELATIVE TO THE PEN BODY, AND MEANS FOR
Claim 2
Dependent Claim
112 words
A PEN ACTUATING MECHANISM FOR CONTROLLING THE POSITION OF A WRITING INSTRUMENT RELATIVE TO A RECORD MEDIUM ALONG AN AXIS SUBSTANTIALLY PERPENDICULAR TO THE PLANE OF THE RECORD MEDIUM COMPRISING A PEN PLUNGER ADAPTED TO RECEIVE A PEN, THE PEN PLUNGER HAVING A RADIALLY EXTENDED FLANGE PORTION PROVIDING A FIRST ANNULAR POLE PIECE AT THE UPPER END OF THE PEN PLUNGER, A PEN BODY CONTAINING A SOLENOIDAL COIL AND ENCASING THE PEN PLUNGER, A SECOND ANNULAR POLE PIECE OPPOSITE THE FIRST ANNULAR POLE PIECE AND ADJUSTABLY ATTACHED TO THE PEN BODY, MEANS FOR ADJUSTING INCREMENTALLY THE AXIAL POSITION OF THE SECOND ANNULAR POLE PIECE RELATIVE TO THE PEN BODY, AND MEANS FOR
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |