Patent US3354818A successfully refreshed from Google Patents.
US3354818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical serial printers
Assignee: US Philips Corp
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Filing: 1965-10-14
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Granted: 1967-11-28
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Haas Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:08
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/02; B41J9/04; G; G06; G06K; G06K15/00; G06K15/02; G06K15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN ELECTROMECHANICAL SERIAL PRINTER COMPRISING A ROTATABLE TYPE CYLINDER HAVING A PLURALITY OF RAISED CHARACTERS THEREON, A PLURALITY OF MAGNETICALLY CONTROLLABLE HAMMERS, EACH OF SAID HAMMERS HAVING A STRIKING FACE, MEANS FOR ADVANCING A PRINTING MATERIAL BETWEEN SAID HAMMERS AND SAID CYLINDER, A CONTINUOUSLY ROTATABLE HAMMER CARRIER, THE AXIS OF ROTATION OF SAID TYPE DRUM BEING PARALLEL TO THE PLANE OF THE STRIKING FACE OF A HAMMER AND STRIKING POSTION, SAID PLURALITY OF HAMMERS BEING ARRANGED ON THE FACE OF SAID HAMMER CARRIER IN A HELICAL ARRAY ABOUT THE AXIS OF ROTATION OF SAID CARRIER, A SELECTIVELY OPERABLE MAGNET, MEANS SEQUENTIALLY ROTATING SAID CARRIER AND POSITIONING EACH OF SAID HAMMERS INTO STRIKING POSITION BETWEEN SAID PRINTING MATERIAL AND SAID MAGNET IN SYNCHRONISM WITH THE MOVEMENT OF SAID TYPE CYLINDER AND MEANS
Claim 2
Dependent Claim
131 words
AN ELECTROMECHANICAL SERIAL PRINTER COMPRISING A ROTATABLE TYPE CYLINDER HAVING A PLURALITY OF RAISED CHARACTERS THEREON, A PLURALITY OF MAGNETICALLY CONTROLLABLE HAMMERS, EACH OF SAID HAMMERS HAVING A STRIKING FACE, MEANS FOR ADVANCING A PRINTING MATERIAL BETWEEN SAID HAMMERS AND SAID CYLINDER, A CONTINUOUSLY ROTATABLE HAMMER CARRIER, THE AXIS OF ROTATION OF SAID TYPE DRUM BEING PARALLEL TO THE PLANE OF THE STRIKING FACE OF A HAMMER AND STRIKING POSTION, SAID PLURALITY OF HAMMERS BEING ARRANGED ON THE FACE OF SAID HAMMER CARRIER IN A HELICAL ARRAY ABOUT THE AXIS OF ROTATION OF SAID CARRIER, A SELECTIVELY OPERABLE MAGNET, MEANS SEQUENTIALLY ROTATING SAID CARRIER AND POSITIONING EACH OF SAID HAMMERS INTO STRIKING POSITION BETWEEN SAID PRINTING MATERIAL AND SAID MAGNET IN SYNCHRONISM WITH THE MOVEMENT OF SAID TYPE CYLINDER AND MEANS
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |