Patent US4925659A successfully refreshed from Google Patents.
Patent US3270851A successfully refreshed from Google Patents.
US3270851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Typewriter
Assignee: SCM Corp
•
Filing: 1963-08-08
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Granted: 1966-09-06
•
Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Goldsmith
- 👤 Anthony N Paone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:35
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/20; B41J19/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN COMBINATION IN A TYPEWRITER OF LIKE MACHINE: A CARRIAGE; A STARWHEEL MOVABLE CONCOMITANTLY WITH SAID CARRIAGE; AN ESCAPEMENT OPERABLE TO FREE THE CARRIAGE FOR INCREMENTAL MOVEMENT IN THE LETTER SPACE DIRECTION INCLUDING A PIVOTALLY MOUNTED DOG ROCKER, A HOLDING DOG MOUNTED ON SAID ROCKER NORMALLY ENGAGED BY A TOOTH OF AND RESTRAINING THE STARWHEEL AGAINST MOVEMENT; TYPE KEY OPERATED MEANS FOR PIVOTING SAID DOG ROCKER TO DISENGAGE THE HOLDING DOG FROM THE STARWHEEL TOOTH AND FREE THE STARWHEEL FOR ROTATION; AND INDEPENDENT KEY OPERATED MEANS OPERABLE TO PIVOT SAID DOG ROCKER AND DISENGAGE THE HOLDING DOG AND SIMULTANEOUSLY POSITION IN THE PATH OF THE STARWHEEL RESTRAINING MEANS EFFECTIVE TO LIMIT THE MOVEMENT OF THE CARRIAGE TO A PREDETERMINED FRACTION OF ITS NORMAL LETTER SPACE INCREMENT, COMPRISING A PIVOTALLY
Claim 2
Dependent Claim
129 words
IN COMBINATION IN A TYPEWRITER OF LIKE MACHINE: A CARRIAGE; A STARWHEEL MOVABLE CONCOMITANTLY WITH SAID CARRIAGE; AN ESCAPEMENT OPERABLE TO FREE THE CARRIAGE FOR INCREMENTAL MOVEMENT IN THE LETTER SPACE DIRECTION INCLUDING A PIVOTALLY MOUNTED DOG ROCKER, A HOLDING DOG MOUNTED ON SAID ROCKER NORMALLY ENGAGED BY A TOOTH OF AND RESTRAINING THE STARWHEEL AGAINST MOVEMENT; TYPE KEY OPERATED MEANS FOR PIVOTING SAID DOG ROCKER TO DISENGAGE THE HOLDING DOG FROM THE STARWHEEL TOOTH AND FREE THE STARWHEEL FOR ROTATION; AND INDEPENDENT KEY OPERATED MEANS OPERABLE TO PIVOT SAID DOG ROCKER AND DISENGAGE THE HOLDING DOG AND SIMULTANEOUSLY POSITION IN THE PATH OF THE STARWHEEL RESTRAINING MEANS EFFECTIVE TO LIMIT THE MOVEMENT OF THE CARRIAGE TO A PREDETERMINED FRACTION OF ITS NORMAL LETTER SPACE INCREMENT, COMPRISING A PIVOTALLY
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |