Patent US3623429A successfully refreshed from Google Patents.
US3623429A
Expired / Lapsed
US
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Hammer lever construction for flying printer
Assignee: Suwa Seikosha KK
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Filing: 1969-04-29
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Granted: 1971-11-30
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Expires: 1989-04-29
Abstract
Abstract THE IMPROVEMENT IN FLYING PRINTERS HAVING A CONTINUOUSLY ROTATING PRINT DRUM, A HAMMER LEVER HAVING A HAMMER MOUNTED AT ONE END THEREOF FOR STRIKING SAID PRINT DRUM UPON THE DISPLACEMENT OF SAID HAMMER LEVER TO EFFECT PRINTING AND MEANS FOR DISPLACING SAID HAMMER LEVER, WHICH INCLUDES THE PROVISION OF A HAMMER LEVER STOPPER DISPOSED TO ENGAGE SAID HAMMER LEVER AT A POINT SPACED FROM SAID HAMMER TO STOP THE DISPLACEMENT OF SAID HAMMER LEVER IMMEDIATELY BEFORE SAID HAMMER STRIKES SAID PRINT DRUM.
Inventors
- 👤 Issei Imahashi
- 👤 Shigeyoshi Hirabayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:11
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/26; B41J9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |