US3110107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable cylinder
Assignee: Individual
•
Filing: 1960-05-04
•
Granted: 1963-11-12
•
Expires: 1980-05-04
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:19
CPC Classifications
B; B43; B43L; B43L13/00; B41; B41F; B41F27/00; B41F27/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A DRAFTING APPARATUS COMPRISING IN COMBINATION A TRANSLUCENT CYLINDRICAL SHELL JOURNALED FOR ROTATION BETWEEN A PAIR OF VERTICAL STANDARDS, DRIVE MEANS INCLUDING A REVERSIBLE MOTOR AXIALLY CONNECTED TO SAID SHELL AND ARRANGED FOR ROTATING SAID SHELL IN FORWARD AND REVERSE DIRECTIONS, THE SHELL HAVING A SPIRAL GROOVE FORMED IN THE EXTERIOR SURFACE THEREOF AND COMMUNICATING WITH THE SHELL INTERIOR TO A VACUUM LINE EXTENDING TO THE EXTERIOR OF SAID SHELL, A VACUUM PUMP CONNECTED TO THE LINE EXTERIOR OF THE SHELL, A PLURALITY OF LIGHTING TUBES DISPOSED ADJACENT THE INTERIOR SURFACE OF THE SHELL, INDICATOR MEANS MOUNTED ADJACENT AN END OF THE SHELL AND ARRANGED FOR POSITIONING THE SHELL, AND SUPPORT MEANS ADJUSTABLY DISPOSED ADJACENT THE EXTERIOR SURFACE OF THE SHELL ALONG ITS LENGTH FOR PRECISE POSITIONING OF TOOLS ADJACENT THE SURFACE.
Claim 2
Dependent Claim
132 words
A DRAFTING APPARATUS COMPRISING IN COMBINATION A TRANSLUCENT CYLINDRICAL SHELL JOURNALED FOR ROTATION BETWEEN A PAIR OF VERTICAL STANDARDS, DRIVE MEANS INCLUDING A REVERSIBLE MOTOR AXIALLY CONNECTED TO SAID SHELL AND ARRANGED FOR ROTATING SAID SHELL IN FORWARD AND REVERSE DIRECTIONS, THE SHELL HAVING A SPIRAL GROOVE FORMED IN THE EXTERIOR SURFACE THEREOF AND COMMUNICATING WITH THE SHELL INTERIOR TO A VACUUM LINE EXTENDING TO THE EXTERIOR OF SAID SHELL, A VACUUM PUMP CONNECTED TO THE LINE EXTERIOR OF THE SHELL, A PLURALITY OF LIGHTING TUBES DISPOSED ADJACENT THE INTERIOR SURFACE OF THE SHELL, INDICATOR MEANS MOUNTED ADJACENT AN END OF THE SHELL AND ARRANGED FOR POSITIONING THE SHELL, AND SUPPORT MEANS ADJUSTABLY DISPOSED ADJACENT THE EXTERIOR SURFACE OF THE SHELL ALONG ITS LENGTH FOR PRECISE POSITIONING OF TOOLS ADJACENT THE SURFACE.
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |