US3279362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing hammer
Assignee: Ricoh Printing Systems America Inc
•
Filing: 1965-06-11
•
Granted: 1966-10-18
•
Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Helms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:23
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/02; B41J9/10; B41J9/26; B41J9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A HAMMER CONSTRUCTION COMPRISING: A RIGID MEMBER INCLUDING ELECTRICALLY ENERGIZABLE MEANS FOR GENERATING A FIRST MAGNETIC FIELD; MEANS SUPPORTING SAID RIGID MEMBER FOR SUBSTANTIALLY ROTATIONAL MOVEMENT ABOUT A FIRST AXIS; AND MEANS ESTABLISHING A SECOND MAGNETIC FIELD ADAPTED TO INTERACT WITH SAID FIRST MAGNETIC FIELD.
Claim 2
Dependent Claim
45 words
A HAMMER CONSTRUCTION COMPRISING: A RIGID MEMBER INCLUDING ELECTRICALLY ENERGIZABLE MEANS FOR GENERATING A FIRST MAGNETIC FIELD; MEANS SUPPORTING SAID RIGID MEMBER FOR SUBSTANTIALLY ROTATIONAL MOVEMENT ABOUT A FIRST AXIS; AND MEANS ESTABLISHING A SECOND MAGNETIC FIELD ADAPTED TO INTERACT WITH SAID FIRST MAGNETIC FIELD.
References Cited (Backward Citations)
US3172352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |