US3194493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for effecting alternate operation of the shift and unshift keys of a tape perforating machine
Assignee: INTERNATIONAL TYPOGRAPHICAL UNION OF NORTH AMERICA
•
Filing: 1963-10-16
•
Granted: 1965-07-13
•
Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Claire N Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:27
CPC Classifications
B; B41; B41B; B41B25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AUXILIARY APPARTUS FOR ALTERNATELY OPERATING THE SHIFT AND UNSHIFT KEYS OF A TAPE PERFORATING MACHINE BY SUCCESSIVE OPERATIONS OF A SINGLE CONTROL KEY FORMING PART OF THE AUXILIARY APPARATUS, COMPRISING ELECTRICAL OPERATING MEANS ASSOCIATED WITH EACH OF THE SHIFT AND UNSHIFT KEYS OF THE TAPE PERFORATING MACHINE FOR SEPARATELY OPERATING THE ASSOCIATED KEY WHEN ENERGIZED, A CONTROL KEY, MEANS FOR ENERGIZING ONE OF SAID ELECTRICAL OPERATING MEANS UPON OPERATION OF SAID CONTROL KEY, AND MEANS ALSO OPERABLE UPON THE SAME OPERATION OF SAID CONTROL KEY FOR ESTAB-
Claim 2
Dependent Claim
87 words
AUXILIARY APPARTUS FOR ALTERNATELY OPERATING THE SHIFT AND UNSHIFT KEYS OF A TAPE PERFORATING MACHINE BY SUCCESSIVE OPERATIONS OF A SINGLE CONTROL KEY FORMING PART OF THE AUXILIARY APPARATUS, COMPRISING ELECTRICAL OPERATING MEANS ASSOCIATED WITH EACH OF THE SHIFT AND UNSHIFT KEYS OF THE TAPE PERFORATING MACHINE FOR SEPARATELY OPERATING THE ASSOCIATED KEY WHEN ENERGIZED, A CONTROL KEY, MEANS FOR ENERGIZING ONE OF SAID ELECTRICAL OPERATING MEANS UPON OPERATION OF SAID CONTROL KEY, AND MEANS ALSO OPERABLE UPON THE SAME OPERATION OF SAID CONTROL KEY FOR ESTAB-
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |