US3144990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type size calculator
Assignee: —
•
Filing: —
•
Granted: 1964-08-18
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Expires: 1981-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:49
CPC Classifications
G; G06; G06G; G06G1/00; G06G1/0005; G06G1/0047; B; B43; B43L; B43L7/00; G09; G09B; G09B19/00; G09B19/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A TYPE SIZE CALCULATOR COMPRISING A FRAME, A DRUM JOURNALED IN SAID FRAME, SAID DRUM BEING ROTATABLE BETWEEN A PLURALITY OF DISCRETE POSITIONS, EACH POSITION CORRESPONDING TO ONE STYLE OF TYPE FACE, A FIXED INVERSE LOGARITHMIC SCALE SUPPORTED BY SAID FRAME LONGITUDINALLY ADJACENT TO SAID DRUM, A FORWARD LOGARITHMIC SCALE SLIDABLE IN SAID FRAME PARALLEL TO SAID INVERSE LOGARITHMIC SCALE, AND A PLURALITY OF INDICIA CARRIED BY SAID DRUM, A PAIR OF INDICES FOR EACH SAID POSITION INDICATING ON SAID FIXED INVERSE LOGARITHMIC SCALE THE RELATIVE WIDTH OF CHARACTERS OF THE CORRESPONDING TYPE STYLE FOR LOWER CASE AND CAPITAL CHARACTERS RESPECTIVELY.
Claim 2
Dependent Claim
101 words
A TYPE SIZE CALCULATOR COMPRISING A FRAME, A DRUM JOURNALED IN SAID FRAME, SAID DRUM BEING ROTATABLE BETWEEN A PLURALITY OF DISCRETE POSITIONS, EACH POSITION CORRESPONDING TO ONE STYLE OF TYPE FACE, A FIXED INVERSE LOGARITHMIC SCALE SUPPORTED BY SAID FRAME LONGITUDINALLY ADJACENT TO SAID DRUM, A FORWARD LOGARITHMIC SCALE SLIDABLE IN SAID FRAME PARALLEL TO SAID INVERSE LOGARITHMIC SCALE, AND A PLURALITY OF INDICIA CARRIED BY SAID DRUM, A PAIR OF INDICES FOR EACH SAID POSITION INDICATING ON SAID FIXED INVERSE LOGARITHMIC SCALE THE RELATIVE WIDTH OF CHARACTERS OF THE CORRESPONDING TYPE STYLE FOR LOWER CASE AND CAPITAL CHARACTERS RESPECTIVELY.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |